diff --git a/access/build.xml b/access/build.xml
index cfae737b..ecd57b0f 100644
--- a/access/build.xml
+++ b/access/build.xml
@@ -6,7 +6,6 @@
-
@@ -18,7 +17,6 @@
-
diff --git a/annotations/InterfaceExtractorProcessor.java b/annotations/InterfaceExtractorProcessor.java
index 840ba3a5..9c1ab794 100644
--- a/annotations/InterfaceExtractorProcessor.java
+++ b/annotations/InterfaceExtractorProcessor.java
@@ -30,28 +30,27 @@ public class InterfaceExtractorProcessor
interfaceMethods.add(m);
if(interfaceMethods.size() > 0) {
try {
- PrintWriter writer =
- env.getFiler().createSourceFile(annot.value());
- writer.println("package " +
- typeDecl.getPackage().getQualifiedName() +";");
- writer.println("public interface " +
- annot.value() + " {");
- for(MethodDeclaration m : interfaceMethods) {
- writer.print(" public ");
- writer.print(m.getReturnType() + " ");
- writer.print(m.getSimpleName() + " (");
- int i = 0;
- for(ParameterDeclaration parm :
- m.getParameters()) {
- writer.print(parm.getType() + " " +
- parm.getSimpleName());
- if(++i < m.getParameters().size())
- writer.print(", ");
+ try (PrintWriter writer = env.getFiler().createSourceFile(annot.value())) {
+ writer.println("package " +
+ typeDecl.getPackage().getQualifiedName() +";");
+ writer.println("public interface " +
+ annot.value() + " {");
+ for(MethodDeclaration m : interfaceMethods) {
+ writer.print(" public ");
+ writer.print(m.getReturnType() + " ");
+ writer.print(m.getSimpleName() + " (");
+ int i = 0;
+ for(ParameterDeclaration parm :
+ m.getParameters()) {
+ writer.print(parm.getType() + " " +
+ parm.getSimpleName());
+ if(++i < m.getParameters().size())
+ writer.print(", ");
+ }
+ writer.println(");");
}
- writer.println(");");
+ writer.println("}");
}
- writer.println("}");
- writer.close();
} catch(IOException ioe) {
throw new RuntimeException(ioe);
}
diff --git a/annotations/build.xml b/annotations/build.xml
index f83f83e4..4cfd0d52 100644
--- a/annotations/build.xml
+++ b/annotations/build.xml
@@ -6,7 +6,6 @@
-
@@ -19,7 +18,6 @@
-
diff --git a/arrays/CompType.java b/arrays/CompType.java
index aa19da10..127dac8a 100644
--- a/arrays/CompType.java
+++ b/arrays/CompType.java
@@ -25,12 +25,7 @@ public class CompType implements Comparable {
}
private static Random r = new Random(47);
public static Generator generator() {
- return new Generator() {
- @Override
- public CompType next() {
- return new CompType(r.nextInt(100),r.nextInt(100));
- }
- };
+ return () -> new CompType(r.nextInt(100),r.nextInt(100));
}
public static void main(String[] args) {
CompType[] a =
diff --git a/arrays/CopyingArrays.java b/arrays/CopyingArrays.java
index 3feaa2f5..a88c6472 100644
--- a/arrays/CopyingArrays.java
+++ b/arrays/CopyingArrays.java
@@ -23,8 +23,8 @@ public class CopyingArrays {
// Objects:
Integer[] u = new Integer[10];
Integer[] v = new Integer[5];
- Arrays.fill(u, new Integer(47));
- Arrays.fill(v, new Integer(99));
+ Arrays.fill(u, 47);
+ Arrays.fill(v, 99);
print("u = " + Arrays.toString(u));
print("v = " + Arrays.toString(v));
System.arraycopy(v, 0, u, u.length/2, v.length);
diff --git a/arrays/build.xml b/arrays/build.xml
index 605f4ea7..7ec162d6 100644
--- a/arrays/build.xml
+++ b/arrays/build.xml
@@ -6,7 +6,6 @@
-
@@ -33,7 +32,6 @@
-
diff --git a/assertions/build.xml b/assertions/build.xml
index 5c65b0b4..0719f0e6 100644
--- a/assertions/build.xml
+++ b/assertions/build.xml
@@ -6,12 +6,10 @@
-
-
diff --git a/concurrency/ActiveObjectDemo.java b/concurrency/ActiveObjectDemo.java
index aa274a3d..cc52e0e5 100644
--- a/concurrency/ActiveObjectDemo.java
+++ b/concurrency/ActiveObjectDemo.java
@@ -22,24 +22,18 @@ public class ActiveObjectDemo {
}
public Future
calculateInt(final int x, final int y) {
- return ex.submit(new Callable() {
- @Override
- public Integer call() {
- print("starting " + x + " + " + y);
- pause(500);
- return x + y;
- }
+ return ex.submit(() -> {
+ print("starting " + x + " + " + y);
+ pause(500);
+ return x + y;
});
}
public Future
calculateFloat(final float x, final float y) {
- return ex.submit(new Callable() {
- @Override
- public Float call() {
- print("starting " + x + " + " + y);
- pause(2000);
- return x + y;
- }
+ return ex.submit(() -> {
+ print("starting " + x + " + " + y);
+ pause(2000);
+ return x + y;
});
}
public void shutdown() { ex.shutdown(); }
diff --git a/concurrency/CloseResource.java b/concurrency/CloseResource.java
index aa8ad31a..2cff7dac 100644
--- a/concurrency/CloseResource.java
+++ b/concurrency/CloseResource.java
@@ -11,16 +11,16 @@ public class CloseResource {
public static void main(String[] args) throws Exception {
ExecutorService exec = Executors.newCachedThreadPool();
ServerSocket server = new ServerSocket(8080);
- InputStream socketInput =
- new Socket("localhost", 8080).getInputStream();
- exec.execute(new IOBlocked(socketInput));
- exec.execute(new IOBlocked(System.in));
- TimeUnit.MILLISECONDS.sleep(100);
- print("Shutting down all threads");
- exec.shutdownNow();
- TimeUnit.SECONDS.sleep(1);
- print("Closing " + socketInput.getClass().getName());
- socketInput.close(); // Releases blocked thread
+ try (InputStream socketInput = new Socket("localhost", 8080).getInputStream()) {
+ exec.execute(new IOBlocked(socketInput));
+ exec.execute(new IOBlocked(System.in));
+ TimeUnit.MILLISECONDS.sleep(100);
+ print("Shutting down all threads");
+ exec.shutdownNow();
+ TimeUnit.SECONDS.sleep(1);
+ print("Closing " + socketInput.getClass().getName());
+ socketInput.close(); // Releases blocked thread
+ }
TimeUnit.SECONDS.sleep(1);
print("Closing " + System.in.getClass().getName());
System.in.close(); // Releases blocked thread
diff --git a/concurrency/HorseRace.java b/concurrency/HorseRace.java
index d23f5a99..0a090d05 100644
--- a/concurrency/HorseRace.java
+++ b/concurrency/HorseRace.java
@@ -46,26 +46,23 @@ public class HorseRace {
Executors.newCachedThreadPool();
private CyclicBarrier barrier;
public HorseRace(int nHorses, final int pause) {
- barrier = new CyclicBarrier(nHorses, new Runnable() {
- @Override
- public void run() {
- StringBuilder s = new StringBuilder();
- for(int i = 0; i < FINISH_LINE; i++)
- s.append("="); // The fence on the racetrack
- print(s);
- for(Horse horse : horses)
- print(horse.tracks());
- for(Horse horse : horses)
- if(horse.getStrides() >= FINISH_LINE) {
- print(horse + "won!");
- exec.shutdownNow();
- return;
- }
- try {
- TimeUnit.MILLISECONDS.sleep(pause);
- } catch(InterruptedException e) {
- print("barrier-action sleep interrupted");
+ barrier = new CyclicBarrier(nHorses, () -> {
+ StringBuilder s = new StringBuilder();
+ for(int i = 0; i < FINISH_LINE; i++)
+ s.append("="); // The fence on the racetrack
+ print(s);
+ for(Horse horse : horses)
+ print(horse.tracks());
+ for(Horse horse : horses)
+ if(horse.getStrides() >= FINISH_LINE) {
+ print(horse + "won!");
+ exec.shutdownNow();
+ return;
}
+ try {
+ TimeUnit.MILLISECONDS.sleep(pause);
+ } catch(InterruptedException e) {
+ print("barrier-action sleep interrupted");
}
});
for(int i = 0; i < nHorses; i++) {
diff --git a/concurrency/NIOInterruption.java b/concurrency/NIOInterruption.java
index 719d1024..7e30c5da 100644
--- a/concurrency/NIOInterruption.java
+++ b/concurrency/NIOInterruption.java
@@ -33,16 +33,16 @@ public class NIOInterruption {
InetSocketAddress isa =
new InetSocketAddress("localhost", 8080);
SocketChannel sc1 = SocketChannel.open(isa);
- SocketChannel sc2 = SocketChannel.open(isa);
- Future> f = exec.submit(new NIOBlocked(sc1));
- exec.execute(new NIOBlocked(sc2));
- exec.shutdown();
- TimeUnit.SECONDS.sleep(1);
- // Produce an interrupt via cancel:
- f.cancel(true);
- TimeUnit.SECONDS.sleep(1);
- // Release the block by closing the channel:
- sc2.close();
+ try (SocketChannel sc2 = SocketChannel.open(isa)) {
+ Future> f = exec.submit(new NIOBlocked(sc1));
+ exec.execute(new NIOBlocked(sc2));
+ exec.shutdown();
+ TimeUnit.SECONDS.sleep(1);
+ // Produce an interrupt via cancel:
+ f.cancel(true);
+ TimeUnit.SECONDS.sleep(1);
+ // Release the block by closing the channel:
+ }
}
} /* Output: (Sample)
Waiting for read() in NIOBlocked@7a84e4
diff --git a/concurrency/SemaphoreDemo.java b/concurrency/SemaphoreDemo.java
index cccbe886..26613a8a 100644
--- a/concurrency/SemaphoreDemo.java
+++ b/concurrency/SemaphoreDemo.java
@@ -45,16 +45,13 @@ public class SemaphoreDemo {
f.operation();
list.add(f);
}
- Future> blocked = exec.submit(new Runnable() {
- @Override
- public void run() {
- try {
- // Semaphore prevents additional checkout,
- // so call is blocked:
- pool.checkOut();
- } catch(InterruptedException e) {
- print("checkOut() Interrupted");
- }
+ Future> blocked = exec.submit(() -> {
+ try {
+ // Semaphore prevents additional checkout,
+ // so call is blocked:
+ pool.checkOut();
+ } catch(InterruptedException e) {
+ print("checkOut() Interrupted");
}
});
TimeUnit.SECONDS.sleep(2);
diff --git a/concurrency/build.xml b/concurrency/build.xml
index eab4523a..67f20c93 100644
--- a/concurrency/build.xml
+++ b/concurrency/build.xml
@@ -6,7 +6,6 @@
-
@@ -74,7 +73,6 @@
-
diff --git a/containers/build.xml b/containers/build.xml
index 95d5bb5f..cdb99b26 100644
--- a/containers/build.xml
+++ b/containers/build.xml
@@ -6,7 +6,6 @@
-
@@ -44,7 +43,6 @@
-
diff --git a/control/build.xml b/control/build.xml
index 02e54739..ce9084df 100644
--- a/control/build.xml
+++ b/control/build.xml
@@ -6,7 +6,6 @@
-
@@ -20,7 +19,6 @@
-
diff --git a/debugging/build.xml b/debugging/build.xml
index 6b201903..019b4dee 100644
--- a/debugging/build.xml
+++ b/debugging/build.xml
@@ -6,9 +6,7 @@
-
-
diff --git a/enumerated/EnumMaps.java b/enumerated/EnumMaps.java
index 5b49a4b3..367ca93b 100644
--- a/enumerated/EnumMaps.java
+++ b/enumerated/EnumMaps.java
@@ -11,13 +11,11 @@ public class EnumMaps {
public static void main(String[] args) {
EnumMap em =
new EnumMap<>(AlarmPoints.class);
- em.put(KITCHEN, new Command() {
- @Override
- public void action() { print("Kitchen fire!"); }
+ em.put(KITCHEN, (Command) () -> {
+ print("Kitchen fire!");
});
- em.put(BATHROOM, new Command() {
- @Override
- public void action() { print("Bathroom alert!"); }
+ em.put(BATHROOM, (Command) () -> {
+ print("Bathroom alert!");
});
for(Map.Entry e : em.entrySet()) {
printnb(e.getKey() + ": ");
diff --git a/enumerated/build.xml b/enumerated/build.xml
index 33d164a4..9c18961c 100644
--- a/enumerated/build.xml
+++ b/enumerated/build.xml
@@ -6,7 +6,6 @@
-
@@ -34,7 +33,6 @@
-
diff --git a/exceptions/build.xml b/exceptions/build.xml
index ffc8ee99..39a54c5b 100644
--- a/exceptions/build.xml
+++ b/exceptions/build.xml
@@ -6,7 +6,6 @@
-
@@ -31,7 +30,6 @@
-
diff --git a/generics/BankTeller.java b/generics/BankTeller.java
index 6d121510..5f5abe34 100644
--- a/generics/BankTeller.java
+++ b/generics/BankTeller.java
@@ -11,10 +11,7 @@ class Customer {
public String toString() { return "Customer " + id; }
// A method to produce Generator objects:
public static Generator generator() {
- return new Generator() {
- @Override
- public Customer next() { return new Customer(); }
- };
+ return () -> new Customer();
}
}
@@ -26,10 +23,7 @@ class Teller {
public String toString() { return "Teller " + id; }
// A single Generator object:
public static Generator generator =
- new Generator() {
- @Override
- public Teller next() { return new Teller(); }
- };
+ () -> new Teller();
}
public class BankTeller {
diff --git a/generics/FactoryConstraint.java b/generics/FactoryConstraint.java
index 4df43c6d..2dbc1a9c 100644
--- a/generics/FactoryConstraint.java
+++ b/generics/FactoryConstraint.java
@@ -15,7 +15,7 @@ class Foo2 {
class IntegerFactory implements FactoryI {
@Override
public Integer create() {
- return new Integer(0);
+ return 0;
}
}
diff --git a/generics/build.xml b/generics/build.xml
index 28b9a737..8c0734bb 100644
--- a/generics/build.xml
+++ b/generics/build.xml
@@ -6,7 +6,6 @@
-
@@ -78,7 +77,6 @@
-
diff --git a/gui/Button2b.java b/gui/Button2b.java
index 6f26390c..2fbe07df 100644
--- a/gui/Button2b.java
+++ b/gui/Button2b.java
@@ -10,12 +10,9 @@ public class Button2b extends JFrame {
b1 = new JButton("Button 1"),
b2 = new JButton("Button 2");
private JTextField txt = new JTextField(10);
- private ActionListener bl = new ActionListener() {
- @Override
- public void actionPerformed(ActionEvent e) {
- String name = ((JButton)e.getSource()).getText();
- txt.setText(name);
- }
+ private ActionListener bl = (ActionEvent e) -> {
+ String name1 = ((JButton)e.getSource()).getText();
+ txt.setText(name1);
};
public Button2b() {
b1.addActionListener(bl);
diff --git a/gui/CheckBoxes.java b/gui/CheckBoxes.java
index dc4b9637..b56d9518 100644
--- a/gui/CheckBoxes.java
+++ b/gui/CheckBoxes.java
@@ -12,23 +12,14 @@ public class CheckBoxes extends JFrame {
cb2 = new JCheckBox("Check Box 2"),
cb3 = new JCheckBox("Check Box 3");
public CheckBoxes() {
- cb1.addActionListener(new ActionListener() {
- @Override
- public void actionPerformed(ActionEvent e) {
- trace("1", cb1);
- }
+ cb1.addActionListener((ActionEvent e) -> {
+ trace("1", cb1);
});
- cb2.addActionListener(new ActionListener() {
- @Override
- public void actionPerformed(ActionEvent e) {
- trace("2", cb2);
- }
+ cb2.addActionListener((ActionEvent e) -> {
+ trace("2", cb2);
});
- cb3.addActionListener(new ActionListener() {
- @Override
- public void actionPerformed(ActionEvent e) {
- trace("3", cb3);
- }
+ cb3.addActionListener((ActionEvent e) -> {
+ trace("3", cb3);
});
setLayout(new FlowLayout());
add(new JScrollPane(t));
diff --git a/gui/ComboBoxes.java b/gui/ComboBoxes.java
index 03c4db15..99f34d1b 100644
--- a/gui/ComboBoxes.java
+++ b/gui/ComboBoxes.java
@@ -18,19 +18,13 @@ public class ComboBoxes extends JFrame {
for(int i = 0; i < 4; i++)
c.addItem(description[count++]);
t.setEditable(false);
- b.addActionListener(new ActionListener() {
- @Override
- public void actionPerformed(ActionEvent e) {
- if(count < description.length)
- c.addItem(description[count++]);
- }
+ b.addActionListener((ActionEvent e) -> {
+ if(count < description.length)
+ c.addItem(description[count++]);
});
- c.addActionListener(new ActionListener() {
- @Override
- public void actionPerformed(ActionEvent e) {
- t.setText("index: "+ c.getSelectedIndex() + " " +
- ((JComboBox)e.getSource()).getSelectedItem());
- }
+ c.addActionListener((ActionEvent e) -> {
+ t.setText("index: "+ c.getSelectedIndex() + " " +
+ ((JComboBox)e.getSource()).getSelectedItem());
});
setLayout(new FlowLayout());
add(t);
diff --git a/gui/Dialogs.java b/gui/Dialogs.java
index cab96fed..361e0aa8 100644
--- a/gui/Dialogs.java
+++ b/gui/Dialogs.java
@@ -11,11 +11,8 @@ class MyDialog extends JDialog {
setLayout(new FlowLayout());
add(new JLabel("Here is my dialog"));
JButton ok = new JButton("OK");
- ok.addActionListener(new ActionListener() {
- @Override
- public void actionPerformed(ActionEvent e) {
- dispose(); // Closes the dialog
- }
+ ok.addActionListener((ActionEvent e) -> {
+ dispose(); // Closes the dialog
});
add(ok);
setSize(150,125);
@@ -26,11 +23,8 @@ public class Dialogs extends JFrame {
private JButton b1 = new JButton("Dialog Box");
private MyDialog dlg = new MyDialog(null);
public Dialogs() {
- b1.addActionListener(new ActionListener() {
- @Override
- public void actionPerformed(ActionEvent e) {
- dlg.setVisible(true);
- }
+ b1.addActionListener((ActionEvent e) -> {
+ dlg.setVisible(true);
});
add(b1);
}
diff --git a/gui/Faces.java b/gui/Faces.java
index 6cb65f24..e558d9ff 100644
--- a/gui/Faces.java
+++ b/gui/Faces.java
@@ -19,19 +19,16 @@ public class Faces extends JFrame {
};
jb = new JButton("JButton", faces[3]);
setLayout(new FlowLayout());
- jb.addActionListener(new ActionListener() {
- @Override
- public void actionPerformed(ActionEvent e) {
- if(mad) {
- jb.setIcon(faces[3]);
- mad = false;
- } else {
- jb.setIcon(faces[0]);
- mad = true;
- }
- jb.setVerticalAlignment(JButton.TOP);
- jb.setHorizontalAlignment(JButton.LEFT);
+ jb.addActionListener((ActionEvent e) -> {
+ if(mad) {
+ jb.setIcon(faces[3]);
+ mad = false;
+ } else {
+ jb.setIcon(faces[0]);
+ mad = true;
}
+ jb.setVerticalAlignment(JButton.TOP);
+ jb.setHorizontalAlignment(JButton.LEFT);
});
jb.setRolloverEnabled(true);
jb.setRolloverIcon(faces[1]);
@@ -39,16 +36,13 @@ public class Faces extends JFrame {
jb.setDisabledIcon(faces[4]);
jb.setToolTipText("Yow!");
add(jb);
- jb2.addActionListener(new ActionListener() {
- @Override
- public void actionPerformed(ActionEvent e) {
- if(jb.isEnabled()) {
- jb.setEnabled(false);
- jb2.setText("Enable");
- } else {
- jb.setEnabled(true);
- jb2.setText("Disable");
- }
+ jb2.addActionListener((ActionEvent e) -> {
+ if(jb.isEnabled()) {
+ jb.setEnabled(false);
+ jb2.setText("Enable");
+ } else {
+ jb.setEnabled(true);
+ jb2.setText("Disable");
}
});
add(jb2);
diff --git a/gui/HTMLButton.java b/gui/HTMLButton.java
index 2ea7c1b4..f9b4fb47 100644
--- a/gui/HTMLButton.java
+++ b/gui/HTMLButton.java
@@ -10,14 +10,11 @@ public class HTMLButton extends JFrame {
"" +
"Hello!
Press me now!");
public HTMLButton() {
- b.addActionListener(new ActionListener() {
- @Override
- public void actionPerformed(ActionEvent e) {
- add(new JLabel("" +
- "Kapow!"));
- // Force a re-layout to include the new label:
- validate();
- }
+ b.addActionListener((ActionEvent e) -> {
+ add(new JLabel("" +
+ "Kapow!"));
+ // Force a re-layout to include the new label:
+ validate();
});
setLayout(new FlowLayout());
add(b);
diff --git a/gui/InterruptableLongRunningCallable.java b/gui/InterruptableLongRunningCallable.java
index 3d5f5d74..b0ece653 100644
--- a/gui/InterruptableLongRunningCallable.java
+++ b/gui/InterruptableLongRunningCallable.java
@@ -25,31 +25,21 @@ InterruptableLongRunningCallable extends JFrame {
private TaskManager manager =
new TaskManager<>();
public InterruptableLongRunningCallable() {
- b1.addActionListener(new ActionListener() {
- @Override
- public void actionPerformed(ActionEvent e) {
- CallableTask task = new CallableTask();
- manager.add(task);
- System.out.println(task + " added to the queue");
- }
+ b1.addActionListener((ActionEvent e) -> {
+ CallableTask task = new CallableTask();
+ manager.add(task);
+ System.out.println(task + " added to the queue");
});
- b2.addActionListener(new ActionListener() {
- @Override
- public void actionPerformed(ActionEvent e) {
- for(String result : manager.purge())
- System.out.println(result);
- }
+ b2.addActionListener((ActionEvent e) -> {
+ for(String result : manager.purge())
+ System.out.println(result);
});
- b3.addActionListener(new ActionListener() {
- @Override
- public void actionPerformed(ActionEvent e) {
- // Sample call to a Task method:
- for(TaskItem tt :
- manager)
- tt.task.id(); // No cast required
- for(String result : manager.getResults())
- System.out.println(result);
- }
+ b3.addActionListener((ActionEvent e) -> {
+ // Sample call to a Task method:
+ for(TaskItem tt : manager)
+ tt.task.id(); // No cast required
+ for(String result : manager.getResults())
+ System.out.println(result);
});
setLayout(new FlowLayout());
add(b1);
diff --git a/gui/InterruptableLongRunningTask.java b/gui/InterruptableLongRunningTask.java
index f8d13871..8e03218e 100644
--- a/gui/InterruptableLongRunningTask.java
+++ b/gui/InterruptableLongRunningTask.java
@@ -32,19 +32,13 @@ public class InterruptableLongRunningTask extends JFrame {
ExecutorService executor =
Executors.newSingleThreadExecutor();
public InterruptableLongRunningTask() {
- b1.addActionListener(new ActionListener() {
- @Override
- public void actionPerformed(ActionEvent e) {
- Task task = new Task();
- executor.execute(task);
- System.out.println(task + " added to the queue");
- }
+ b1.addActionListener((ActionEvent e) -> {
+ Task task = new Task();
+ executor.execute(task);
+ System.out.println(task + " added to the queue");
});
- b2.addActionListener(new ActionListener() {
- @Override
- public void actionPerformed(ActionEvent e) {
- executor.shutdownNow(); // Heavy-handed
- }
+ b2.addActionListener((ActionEvent e) -> {
+ executor.shutdownNow(); // Heavy-handed
});
setLayout(new FlowLayout());
add(b1);
diff --git a/gui/List.java b/gui/List.java
index 2c16a3e3..a789411d 100644
--- a/gui/List.java
+++ b/gui/List.java
@@ -18,28 +18,22 @@ public class List extends JFrame {
private JTextArea t =
new JTextArea(flavors.length, 20);
private JButton b = new JButton("Add Item");
- private ActionListener bl = new ActionListener() {
- @Override
- public void actionPerformed(ActionEvent e) {
- if(count < flavors.length) {
- lItems.add(0, flavors[count++]);
- } else {
- // Disable, since there are no more
- // flavors left to be added to the List
- b.setEnabled(false);
- }
+ private ActionListener bl = (ActionEvent e) -> {
+ if(count < flavors.length) {
+ lItems.add(0, flavors[count++]);
+ } else {
+ // Disable, since there are no more
+ // flavors left to be added to the List
+ b.setEnabled(false);
}
};
private ListSelectionListener ll =
- new ListSelectionListener() {
- @Override
- public void valueChanged(ListSelectionEvent e) {
- if(e.getValueIsAdjusting()) return;
- t.setText("");
- for(Object item : lst.getSelectedValues())
- t.append(item + "\n");
- }
- };
+ (ListSelectionEvent e) -> {
+ if(e.getValueIsAdjusting()) return;
+ t.setText("");
+ for(Object item : lst.getSelectedValues())
+ t.append(item + "\n");
+ };
public List() {
t.setEditable(false);
setLayout(new FlowLayout());
diff --git a/gui/LongRunningTask.java b/gui/LongRunningTask.java
index 25e69297..c6766352 100644
--- a/gui/LongRunningTask.java
+++ b/gui/LongRunningTask.java
@@ -11,24 +11,18 @@ public class LongRunningTask extends JFrame {
b1 = new JButton("Start Long Running Task"),
b2 = new JButton("End Long Running Task");
public LongRunningTask() {
- b1.addActionListener(new ActionListener() {
- @Override
- public void actionPerformed(ActionEvent evt) {
- try {
- TimeUnit.SECONDS.sleep(3);
- } catch(InterruptedException e) {
- System.out.println("Task interrupted");
- return;
- }
- System.out.println("Task completed");
+ b1.addActionListener((ActionEvent evt) -> {
+ try {
+ TimeUnit.SECONDS.sleep(3);
+ } catch(InterruptedException e) {
+ System.out.println("Task interrupted");
+ return;
}
+ System.out.println("Task completed");
});
- b2.addActionListener(new ActionListener() {
- @Override
- public void actionPerformed(ActionEvent evt) {
- // Interrupt yourself?
- Thread.currentThread().interrupt();
- }
+ b2.addActionListener((ActionEvent evt) -> {
+ // Interrupt yourself?
+ Thread.currentThread().interrupt();
});
setLayout(new FlowLayout());
add(b1);
diff --git a/gui/MessageBoxes.java b/gui/MessageBoxes.java
index 8b64108b..0e378b0f 100644
--- a/gui/MessageBoxes.java
+++ b/gui/MessageBoxes.java
@@ -55,9 +55,9 @@ public class MessageBoxes extends JFrame {
};
public MessageBoxes() {
setLayout(new FlowLayout());
- for(int i = 0; i < b.length; i++) {
- b[i].addActionListener(al);
- add(b[i]);
+ for (JButton b1 : b) {
+ b1.addActionListener(al);
+ add(b1);
}
add(txt);
}
diff --git a/gui/MonitoredLongRunningCallable.java b/gui/MonitoredLongRunningCallable.java
index 51679ab6..d31f7560 100644
--- a/gui/MonitoredLongRunningCallable.java
+++ b/gui/MonitoredLongRunningCallable.java
@@ -27,13 +27,9 @@ class MonitoredCallable implements Callable {
if(monitor.isCanceled())
Thread.currentThread().interrupt();
final int progress = i;
- SwingUtilities.invokeLater(new Runnable() {
- @Override
- public void run() {
- monitor.setProgress(progress);
- }
- }
- );
+ SwingUtilities.invokeLater(() -> {
+ monitor.setProgress(progress);
+ });
}
} catch(InterruptedException e) {
monitor.close();
@@ -55,31 +51,22 @@ public class MonitoredLongRunningCallable extends JFrame {
private TaskManager manager =
new TaskManager<>();
public MonitoredLongRunningCallable() {
- b1.addActionListener(new ActionListener() {
- @Override
- public void actionPerformed(ActionEvent e) {
- MonitoredCallable task = new MonitoredCallable(
- new ProgressMonitor(
- MonitoredLongRunningCallable.this,
- "Long-Running Task", "", 0, 0)
- );
- manager.add(task);
- System.out.println(task + " added to the queue");
- }
+ b1.addActionListener((ActionEvent e) -> {
+ MonitoredCallable task = new MonitoredCallable(
+ new ProgressMonitor(
+ MonitoredLongRunningCallable.this,
+ "Long-Running Task", "", 0, 0)
+ );
+ manager.add(task);
+ System.out.println(task + " added to the queue");
});
- b2.addActionListener(new ActionListener() {
- @Override
- public void actionPerformed(ActionEvent e) {
- for(String result : manager.purge())
- System.out.println(result);
- }
+ b2.addActionListener((ActionEvent e) -> {
+ for(String result : manager.purge())
+ System.out.println(result);
});
- b3.addActionListener(new ActionListener() {
- @Override
- public void actionPerformed(ActionEvent e) {
- for(String result : manager.getResults())
- System.out.println(result);
- }
+ b3.addActionListener((ActionEvent e) -> {
+ for(String result : manager.getResults())
+ System.out.println(result);
});
setLayout(new FlowLayout());
add(b1);
diff --git a/gui/Popup.java b/gui/Popup.java
index b5009582..0ab455be 100644
--- a/gui/Popup.java
+++ b/gui/Popup.java
@@ -11,11 +11,8 @@ public class Popup extends JFrame {
public Popup() {
setLayout(new FlowLayout());
add(t);
- ActionListener al = new ActionListener() {
- @Override
- public void actionPerformed(ActionEvent e) {
- t.setText(((JMenuItem)e.getSource()).getText());
- }
+ ActionListener al = (ActionEvent e) -> {
+ t.setText(((JMenuItem)e.getSource()).getText());
};
JMenuItem m = new JMenuItem("Hither");
m.addActionListener(al);
diff --git a/gui/Progress.java b/gui/Progress.java
index f96bf988..9b717842 100644
--- a/gui/Progress.java
+++ b/gui/Progress.java
@@ -24,11 +24,8 @@ public class Progress extends JFrame {
sb.setBorder(new TitledBorder("Slide Me"));
pb.setModel(sb.getModel()); // Share model
add(sb);
- sb.addChangeListener(new ChangeListener() {
- @Override
- public void stateChanged(ChangeEvent e) {
- pm.setProgress(sb.getValue());
- }
+ sb.addChangeListener((ChangeEvent e) -> {
+ pm.setProgress(sb.getValue());
});
}
public static void main(String[] args) {
diff --git a/gui/RadioButtons.java b/gui/RadioButtons.java
index d1a79c1a..90798932 100644
--- a/gui/RadioButtons.java
+++ b/gui/RadioButtons.java
@@ -12,12 +12,9 @@ public class RadioButtons extends JFrame {
rb1 = new JRadioButton("one", false),
rb2 = new JRadioButton("two", false),
rb3 = new JRadioButton("three", false);
- private ActionListener al = new ActionListener() {
- @Override
- public void actionPerformed(ActionEvent e) {
- t.setText("Radio button " +
- ((JRadioButton)e.getSource()).getText());
- }
+ private ActionListener al = (ActionEvent e) -> {
+ t.setText("Radio button " +
+ ((JRadioButton)e.getSource()).getText());
};
public RadioButtons() {
rb1.addActionListener(al);
diff --git a/gui/SimpleMenus.java b/gui/SimpleMenus.java
index 1b99beb5..a779f4e2 100644
--- a/gui/SimpleMenus.java
+++ b/gui/SimpleMenus.java
@@ -6,11 +6,8 @@ import static net.mindview.util.SwingConsole.*;
public class SimpleMenus extends JFrame {
private JTextField t = new JTextField(15);
- private ActionListener al = new ActionListener() {
- @Override
- public void actionPerformed(ActionEvent e) {
- t.setText(((JMenuItem)e.getSource()).getText());
- }
+ private ActionListener al = (ActionEvent e) -> {
+ t.setText(((JMenuItem)e.getSource()).getText());
};
private JMenu[] menus = {
new JMenu("Winken"), new JMenu("Blinken"),
diff --git a/gui/SubmitLabelManipulationTask.java b/gui/SubmitLabelManipulationTask.java
index 483878f7..db76bde4 100644
--- a/gui/SubmitLabelManipulationTask.java
+++ b/gui/SubmitLabelManipulationTask.java
@@ -11,11 +11,8 @@ public class SubmitLabelManipulationTask {
frame.setSize(300, 100);
frame.setVisible(true);
TimeUnit.SECONDS.sleep(1);
- SwingUtilities.invokeLater(new Runnable() {
- @Override
- public void run() {
- label.setText("Hey! This is Different!");
- }
+ SwingUtilities.invokeLater(() -> {
+ label.setText("Hey! This is Different!");
});
}
} ///:~
diff --git a/gui/SubmitSwingProgram.java b/gui/SubmitSwingProgram.java
index a02f6364..85f71459 100644
--- a/gui/SubmitSwingProgram.java
+++ b/gui/SubmitSwingProgram.java
@@ -14,16 +14,12 @@ public class SubmitSwingProgram extends JFrame {
}
static SubmitSwingProgram ssp;
public static void main(String[] args) throws Exception {
- SwingUtilities.invokeLater(new Runnable() {
- @Override
- public void run() { ssp = new SubmitSwingProgram(); }
+ SwingUtilities.invokeLater(() -> {
+ ssp = new SubmitSwingProgram();
});
TimeUnit.SECONDS.sleep(1);
- SwingUtilities.invokeLater(new Runnable() {
- @Override
- public void run() {
- ssp.label.setText("Hey! This is Different!");
- }
+ SwingUtilities.invokeLater(() -> {
+ ssp.label.setText("Hey! This is Different!");
});
}
} ///:~
diff --git a/gui/TabbedPane1.java b/gui/TabbedPane1.java
index 2302dc81..6000c0e8 100644
--- a/gui/TabbedPane1.java
+++ b/gui/TabbedPane1.java
@@ -18,12 +18,9 @@ public class TabbedPane1 extends JFrame {
for(String flavor : flavors)
tabs.addTab(flavors[i],
new JButton("Tabbed pane " + i++));
- tabs.addChangeListener(new ChangeListener() {
- @Override
- public void stateChanged(ChangeEvent e) {
- txt.setText("Tab selected: " +
- tabs.getSelectedIndex());
- }
+ tabs.addChangeListener((ChangeEvent e) -> {
+ txt.setText("Tab selected: " +
+ tabs.getSelectedIndex());
});
add(BorderLayout.SOUTH, txt);
add(tabs);
diff --git a/gui/TextArea.java b/gui/TextArea.java
index bc5b465c..c2bb3142 100644
--- a/gui/TextArea.java
+++ b/gui/TextArea.java
@@ -16,18 +16,12 @@ public class TextArea extends JFrame {
public TextArea() {
// Use up all the data:
m.putAll(Countries.capitals());
- b.addActionListener(new ActionListener() {
- @Override
- public void actionPerformed(ActionEvent e) {
- for(Map.Entry me : m.entrySet())
- t.append(me.getKey() + ": "+ me.getValue()+"\n");
- }
+ b.addActionListener((ActionEvent e) -> {
+ for(Map.Entry me : m.entrySet())
+ t.append(me.getKey() + ": "+ me.getValue()+"\n");
});
- c.addActionListener(new ActionListener() {
- @Override
- public void actionPerformed(ActionEvent e) {
- t.setText("");
- }
+ c.addActionListener((ActionEvent e) -> {
+ t.setText("");
});
setLayout(new FlowLayout());
add(new JScrollPane(t));
diff --git a/gui/TextPane.java b/gui/TextPane.java
index f6c858a5..639106c5 100644
--- a/gui/TextPane.java
+++ b/gui/TextPane.java
@@ -12,12 +12,9 @@ public class TextPane extends JFrame {
private static Generator sg =
new RandomGenerator.String(7);
public TextPane() {
- b.addActionListener(new ActionListener() {
- @Override
- public void actionPerformed(ActionEvent e) {
- for(int i = 1; i < 10; i++)
- tp.setText(tp.getText() + sg.next() + "\n");
- }
+ b.addActionListener((ActionEvent e) -> {
+ for(int i = 1; i < 10; i++)
+ tp.setText(tp.getText() + sg.next() + "\n");
});
add(new JScrollPane(tp));
add(BorderLayout.SOUTH, b);
diff --git a/gui/build.xml b/gui/build.xml
index 02cc5678..b30d1a39 100644
--- a/gui/build.xml
+++ b/gui/build.xml
@@ -6,7 +6,6 @@
-
@@ -47,7 +46,6 @@
-
diff --git a/holding/AdapterMethodIdiom.java b/holding/AdapterMethodIdiom.java
index e7fc366c..ee572332 100644
--- a/holding/AdapterMethodIdiom.java
+++ b/holding/AdapterMethodIdiom.java
@@ -6,20 +6,15 @@ import java.util.*;
class ReversibleArrayList extends ArrayList {
public ReversibleArrayList(Collection c) { super(c); }
public Iterable reversed() {
- return new Iterable() {
+ return () -> new Iterator() {
+ int current = size() - 1;
@Override
- public Iterator iterator() {
- return new Iterator() {
- int current = size() - 1;
- @Override
- public boolean hasNext() { return current > -1; }
- @Override
- public T next() { return get(current--); }
- @Override
- public void remove() { // Not implemented
- throw new UnsupportedOperationException();
- }
- };
+ public boolean hasNext() { return current > -1; }
+ @Override
+ public T next() { return get(current--); }
+ @Override
+ public void remove() { // Not implemented
+ throw new UnsupportedOperationException();
}
};
}
diff --git a/holding/ApplesAndOrangesWithGenerics.java b/holding/ApplesAndOrangesWithGenerics.java
index 76ab486e..3c49bf0a 100644
--- a/holding/ApplesAndOrangesWithGenerics.java
+++ b/holding/ApplesAndOrangesWithGenerics.java
@@ -8,8 +8,9 @@ public class ApplesAndOrangesWithGenerics {
apples.add(new Apple());
// Compile-time error:
// apples.add(new Orange());
- for(int i = 0; i < apples.size(); i++)
- System.out.println(apples.get(i).id());
+ for (Apple apple : apples) {
+ System.out.println(apple.id());
+ }
// Using foreach:
for(Apple c : apples)
System.out.println(c.id());
diff --git a/holding/ApplesAndOrangesWithoutGenerics.java b/holding/ApplesAndOrangesWithoutGenerics.java
index 40a57f00..502a7298 100644
--- a/holding/ApplesAndOrangesWithoutGenerics.java
+++ b/holding/ApplesAndOrangesWithoutGenerics.java
@@ -19,8 +19,9 @@ public class ApplesAndOrangesWithoutGenerics {
apples.add(new Apple());
// Not prevented from adding an Orange to apples:
apples.add(new Orange());
- for(int i = 0; i < apples.size(); i++)
- ((Apple)apples.get(i)).id();
+ for (Object apple : apples) {
+ ((Apple) apple).id();
// Orange is detected only at run time
+ }
}
} /* (Execute to see output) *///:~
diff --git a/holding/MultiIterableClass.java b/holding/MultiIterableClass.java
index 8fe56c21..3fedb240 100644
--- a/holding/MultiIterableClass.java
+++ b/holding/MultiIterableClass.java
@@ -4,32 +4,24 @@ import java.util.*;
public class MultiIterableClass extends IterableClass {
public Iterable reversed() {
- return new Iterable() {
+ return () -> new Iterator() {
+ int current = words.length - 1;
@Override
- public Iterator iterator() {
- return new Iterator() {
- int current = words.length - 1;
- @Override
- public boolean hasNext() { return current > -1; }
- @Override
- public String next() { return words[current--]; }
- @Override
- public void remove() { // Not implemented
- throw new UnsupportedOperationException();
- }
- };
+ public boolean hasNext() { return current > -1; }
+ @Override
+ public String next() { return words[current--]; }
+ @Override
+ public void remove() { // Not implemented
+ throw new UnsupportedOperationException();
}
};
}
public Iterable randomized() {
- return new Iterable() {
- @Override
- public Iterator iterator() {
- List shuffled =
- new ArrayList<>(Arrays.asList(words));
- Collections.shuffle(shuffled, new Random(47));
- return shuffled.iterator();
- }
+ return () -> {
+ List shuffled =
+ new ArrayList<>(Arrays.asList(words));
+ Collections.shuffle(shuffled, new Random(47));
+ return shuffled.iterator();
};
}
public static void main(String[] args) {
diff --git a/holding/build.xml b/holding/build.xml
index f5727e4a..68994c9d 100644
--- a/holding/build.xml
+++ b/holding/build.xml
@@ -6,7 +6,6 @@
-
@@ -42,7 +41,6 @@
-
diff --git a/initialization/ArrayInit.java b/initialization/ArrayInit.java
index bb944465..304643f0 100644
--- a/initialization/ArrayInit.java
+++ b/initialization/ArrayInit.java
@@ -5,13 +5,11 @@ import java.util.*;
public class ArrayInit {
public static void main(String[] args) {
Integer[] a = {
- new Integer(1),
- new Integer(2),
+ 1, 2,
3, // Autoboxing
};
Integer[] b = new Integer[]{
- new Integer(1),
- new Integer(2),
+ 1, 2,
3, // Autoboxing
};
System.out.println(Arrays.toString(a));
diff --git a/initialization/AutoboxingVarargs.java b/initialization/AutoboxingVarargs.java
index 9e9284fe..6c955537 100644
--- a/initialization/AutoboxingVarargs.java
+++ b/initialization/AutoboxingVarargs.java
@@ -7,9 +7,9 @@ public class AutoboxingVarargs {
System.out.println();
}
public static void main(String[] args) {
- f(new Integer(1), new Integer(2));
+ f(1, 2);
f(4, 5, 6, 7, 8, 9);
- f(10, new Integer(11), 12);
+ f(10, 11, 12);
}
} /* Output:
1 2
diff --git a/initialization/NewVarArgs.java b/initialization/NewVarArgs.java
index 776c0cdb..ec7c4d32 100644
--- a/initialization/NewVarArgs.java
+++ b/initialization/NewVarArgs.java
@@ -9,8 +9,7 @@ public class NewVarArgs {
}
public static void main(String[] args) {
// Can take individual elements:
- printArray(new Integer(47), new Float(3.14),
- new Double(11.11));
+ printArray(47, (float) 3.14, 11.11);
printArray(47, 3.14F, 11.11);
printArray("one", "two", "three");
printArray(new A(), new A(), new A());
diff --git a/initialization/VarArgs.java b/initialization/VarArgs.java
index 3623196b..56b06dd8 100644
--- a/initialization/VarArgs.java
+++ b/initialization/VarArgs.java
@@ -11,8 +11,7 @@ public class VarArgs {
}
public static void main(String[] args) {
printArray(new Object[]{
- new Integer(47), new Float(3.14), new Double(11.11)
- });
+ 47, (float) 3.14, 11.11});
printArray(new Object[]{"one", "two", "three" });
printArray(new Object[]{new A(), new A(), new A()});
}
diff --git a/initialization/build.xml b/initialization/build.xml
index ff9eff1a..a05dac0a 100644
--- a/initialization/build.xml
+++ b/initialization/build.xml
@@ -6,7 +6,6 @@
-
@@ -40,7 +39,6 @@
-
diff --git a/innerclasses/build.xml b/innerclasses/build.xml
index 80c13c02..f16a599b 100644
--- a/innerclasses/build.xml
+++ b/innerclasses/build.xml
@@ -6,7 +6,6 @@
-
@@ -36,7 +35,6 @@
-
diff --git a/interfaces/build.xml b/interfaces/build.xml
index 3fac2e35..a1d15ac3 100644
--- a/interfaces/build.xml
+++ b/interfaces/build.xml
@@ -6,7 +6,6 @@
-
@@ -21,7 +20,6 @@
-
diff --git a/io/BasicFileOutput.java b/io/BasicFileOutput.java
index c4b546f7..e19920dc 100644
--- a/io/BasicFileOutput.java
+++ b/io/BasicFileOutput.java
@@ -8,13 +8,13 @@ public class BasicFileOutput {
BufferedReader in = new BufferedReader(
new StringReader(
BufferedInputFile.read("BasicFileOutput.java")));
- PrintWriter out = new PrintWriter(
- new BufferedWriter(new FileWriter(file)));
- int lineCount = 1;
- String s;
- while((s = in.readLine()) != null )
- out.println(lineCount++ + ": " + s);
- out.close();
+ try (PrintWriter out = new PrintWriter(
+ new BufferedWriter(new FileWriter(file)))) {
+ int lineCount = 1;
+ String s;
+ while((s = in.readLine()) != null )
+ out.println(lineCount++ + ": " + s);
+ }
// Show the stored file:
System.out.println(BufferedInputFile.read(file));
}
diff --git a/io/Blip3.java b/io/Blip3.java
index a84d4d04..a02197f1 100644
--- a/io/Blip3.java
+++ b/io/Blip3.java
@@ -39,11 +39,11 @@ public class Blip3 implements Externalizable {
print("Constructing objects:");
Blip3 b3 = new Blip3("A String ", 47);
print(b3);
- ObjectOutputStream o = new ObjectOutputStream(
- new FileOutputStream("Blip3.out"));
- print("Saving object:");
- o.writeObject(b3);
- o.close();
+ try (ObjectOutputStream o = new ObjectOutputStream(
+ new FileOutputStream("Blip3.out"))) {
+ print("Saving object:");
+ o.writeObject(b3);
+ }
// Now get it back:
ObjectInputStream in = new ObjectInputStream(
new FileInputStream("Blip3.out"));
diff --git a/io/Blips.java b/io/Blips.java
index c83bcfcc..5c3f2694 100644
--- a/io/Blips.java
+++ b/io/Blips.java
@@ -41,12 +41,12 @@ public class Blips {
print("Constructing objects:");
Blip1 b1 = new Blip1();
Blip2 b2 = new Blip2();
- ObjectOutputStream o = new ObjectOutputStream(
- new FileOutputStream("Blips.out"));
- print("Saving objects:");
- o.writeObject(b1);
- o.writeObject(b2);
- o.close();
+ try (ObjectOutputStream o = new ObjectOutputStream(
+ new FileOutputStream("Blips.out"))) {
+ print("Saving objects:");
+ o.writeObject(b1);
+ o.writeObject(b2);
+ }
// Now get them back:
ObjectInputStream in = new ObjectInputStream(
new FileInputStream("Blips.out"));
diff --git a/io/BufferedInputFile.java b/io/BufferedInputFile.java
index e6df357f..00f0635b 100644
--- a/io/BufferedInputFile.java
+++ b/io/BufferedInputFile.java
@@ -5,14 +5,15 @@ public class BufferedInputFile {
// Throw exceptions to console:
public static String
read(String filename) throws IOException {
- // Reading input by lines:
- BufferedReader in = new BufferedReader(
- new FileReader(filename));
- String s;
- StringBuilder sb = new StringBuilder();
- while((s = in.readLine())!= null)
- sb.append(s + "\n");
- in.close();
+ StringBuilder sb;
+ try ( // Reading input by lines:
+ BufferedReader in = new BufferedReader(
+ new FileReader(filename))) {
+ String s;
+ sb = new StringBuilder();
+ while((s = in.readLine())!= null)
+ sb.append(s + "\n");
+ }
return sb.toString();
}
public static void main(String[] args)
diff --git a/io/FileLocking.java b/io/FileLocking.java
index 17d95684..521839a2 100644
--- a/io/FileLocking.java
+++ b/io/FileLocking.java
@@ -5,15 +5,15 @@ import java.io.*;
public class FileLocking {
public static void main(String[] args) throws Exception {
- FileOutputStream fos= new FileOutputStream("file.txt");
- FileLock fl = fos.getChannel().tryLock();
- if(fl != null) {
- System.out.println("Locked File");
- TimeUnit.MILLISECONDS.sleep(100);
- fl.release();
- System.out.println("Released Lock");
+ try (FileOutputStream fos = new FileOutputStream("file.txt")) {
+ FileLock fl = fos.getChannel().tryLock();
+ if(fl != null) {
+ System.out.println("Locked File");
+ TimeUnit.MILLISECONDS.sleep(100);
+ fl.release();
+ System.out.println("Released Lock");
+ }
}
- fos.close();
}
} /* Output:
Locked File
diff --git a/io/FileOutputShortcut.java b/io/FileOutputShortcut.java
index 50ece447..6c50bf78 100644
--- a/io/FileOutputShortcut.java
+++ b/io/FileOutputShortcut.java
@@ -8,13 +8,13 @@ public class FileOutputShortcut {
BufferedReader in = new BufferedReader(
new StringReader(
BufferedInputFile.read("FileOutputShortcut.java")));
- // Here's the shortcut:
- PrintWriter out = new PrintWriter(file);
- int lineCount = 1;
- String s;
- while((s = in.readLine()) != null )
- out.println(lineCount++ + ": " + s);
- out.close();
+ try ( // Here's the shortcut:
+ PrintWriter out = new PrintWriter(file)) {
+ int lineCount = 1;
+ String s;
+ while((s = in.readLine()) != null )
+ out.println(lineCount++ + ": " + s);
+ }
// Show the stored file:
System.out.println(BufferedInputFile.read(file));
}
diff --git a/io/GZIPcompress.java b/io/GZIPcompress.java
index 70d8b956..19ba78f5 100644
--- a/io/GZIPcompress.java
+++ b/io/GZIPcompress.java
@@ -13,16 +13,17 @@ public class GZIPcompress {
"the file to test.gz");
System.exit(1);
}
- InputStream in = new BufferedInputStream(
- new FileInputStream(args[0]));
- BufferedOutputStream out = new BufferedOutputStream(
- new GZIPOutputStream(
- new FileOutputStream("test.gz")));
- System.out.println("Writing file");
- int c;
- while((c = in.read()) != -1)
+ BufferedOutputStream out;
+ try (InputStream in = new BufferedInputStream(
+ new FileInputStream(args[0]))) {
+ out = new BufferedOutputStream(
+ new GZIPOutputStream(
+ new FileOutputStream("test.gz")));
+ System.out.println("Writing file");
+ int c;
+ while((c = in.read()) != -1)
out.write(c);
- in.close();
+ }
out.close();
System.out.println("Reading file");
BufferedReader in2 = new BufferedReader(
diff --git a/io/Logon.java b/io/Logon.java
index a1cd9768..f36eb44c 100644
--- a/io/Logon.java
+++ b/io/Logon.java
@@ -21,10 +21,10 @@ public class Logon implements Serializable {
public static void main(String[] args) throws Exception {
Logon a = new Logon("Hulk", "myLittlePony");
print("logon a = " + a);
- ObjectOutputStream o = new ObjectOutputStream(
- new FileOutputStream("Logon.out"));
- o.writeObject(a);
- o.close();
+ try (ObjectOutputStream o = new ObjectOutputStream(
+ new FileOutputStream("Logon.out"))) {
+ o.writeObject(a);
+ }
TimeUnit.SECONDS.sleep(1); // Delay
// Now get them back:
ObjectInputStream in = new ObjectInputStream(
diff --git a/io/MappedIO.java b/io/MappedIO.java
index 2e05a7c0..f72e96b7 100644
--- a/io/MappedIO.java
+++ b/io/MappedIO.java
@@ -26,77 +26,76 @@ public class MappedIO {
new Tester("Stream Write") {
@Override
public void test() throws IOException {
- DataOutputStream dos = new DataOutputStream(
- new BufferedOutputStream(
- new FileOutputStream(new File("temp.tmp"))));
- for(int i = 0; i < numOfInts; i++)
- dos.writeInt(i);
- dos.close();
+ try (DataOutputStream dos = new DataOutputStream(
+ new BufferedOutputStream(
+ new FileOutputStream(new File("temp.tmp"))))) {
+ for(int i = 0; i < numOfInts; i++)
+ dos.writeInt(i);
+ }
}
},
new Tester("Mapped Write") {
@Override
public void test() throws IOException {
- FileChannel fc =
- new RandomAccessFile("temp.tmp", "rw")
- .getChannel();
- IntBuffer ib = fc.map(
- FileChannel.MapMode.READ_WRITE, 0, fc.size())
- .asIntBuffer();
- for(int i = 0; i < numOfInts; i++)
- ib.put(i);
- fc.close();
+ try (FileChannel fc = new RandomAccessFile("temp.tmp", "rw")
+ .getChannel()) {
+ IntBuffer ib = fc.map(
+ FileChannel.MapMode.READ_WRITE, 0, fc.size())
+ .asIntBuffer();
+ for(int i = 0; i < numOfInts; i++)
+ ib.put(i);
+ }
}
},
new Tester("Stream Read") {
@Override
public void test() throws IOException {
- DataInputStream dis = new DataInputStream(
- new BufferedInputStream(
- new FileInputStream("temp.tmp")));
- for(int i = 0; i < numOfInts; i++)
- dis.readInt();
- dis.close();
+ try (DataInputStream dis = new DataInputStream(
+ new BufferedInputStream(
+ new FileInputStream("temp.tmp")))) {
+ for(int i = 0; i < numOfInts; i++)
+ dis.readInt();
+ }
}
},
new Tester("Mapped Read") {
@Override
public void test() throws IOException {
- FileChannel fc = new FileInputStream(
- new File("temp.tmp")).getChannel();
- IntBuffer ib = fc.map(
- FileChannel.MapMode.READ_ONLY, 0, fc.size())
- .asIntBuffer();
- while(ib.hasRemaining())
- ib.get();
- fc.close();
+ try (FileChannel fc = new FileInputStream(
+ new File("temp.tmp")).getChannel()) {
+ IntBuffer ib = fc.map(
+ FileChannel.MapMode.READ_ONLY, 0, fc.size())
+ .asIntBuffer();
+ while(ib.hasRemaining())
+ ib.get();
+ }
}
},
new Tester("Stream Read/Write") {
@Override
public void test() throws IOException {
- RandomAccessFile raf = new RandomAccessFile(
- new File("temp.tmp"), "rw");
- raf.writeInt(1);
- for(int i = 0; i < numOfUbuffInts; i++) {
- raf.seek(raf.length() - 4);
- raf.writeInt(raf.readInt());
+ try (RandomAccessFile raf = new RandomAccessFile(
+ new File("temp.tmp"), "rw")) {
+ raf.writeInt(1);
+ for(int i = 0; i < numOfUbuffInts; i++) {
+ raf.seek(raf.length() - 4);
+ raf.writeInt(raf.readInt());
+ }
}
- raf.close();
}
},
new Tester("Mapped Read/Write") {
@Override
public void test() throws IOException {
- FileChannel fc = new RandomAccessFile(
- new File("temp.tmp"), "rw").getChannel();
- IntBuffer ib = fc.map(
- FileChannel.MapMode.READ_WRITE, 0, fc.size())
- .asIntBuffer();
- ib.put(0);
- for(int i = 1; i < numOfUbuffInts; i++)
- ib.put(ib.get(i - 1));
- fc.close();
+ try (FileChannel fc = new RandomAccessFile(
+ new File("temp.tmp"), "rw").getChannel()) {
+ IntBuffer ib = fc.map(
+ FileChannel.MapMode.READ_WRITE, 0, fc.size())
+ .asIntBuffer();
+ ib.put(0);
+ for(int i = 1; i < numOfUbuffInts; i++)
+ ib.put(ib.get(i - 1));
+ }
}
}
};
diff --git a/io/Redirecting.java b/io/Redirecting.java
index da451b28..d4c9d0df 100644
--- a/io/Redirecting.java
+++ b/io/Redirecting.java
@@ -8,18 +8,19 @@ public class Redirecting {
PrintStream console = System.out;
BufferedInputStream in = new BufferedInputStream(
new FileInputStream("Redirecting.java"));
- PrintStream out = new PrintStream(
- new BufferedOutputStream(
- new FileOutputStream("test.out")));
- System.setIn(in);
- System.setOut(out);
- System.setErr(out);
- BufferedReader br = new BufferedReader(
- new InputStreamReader(System.in));
- String s;
- while((s = br.readLine()) != null)
- System.out.println(s);
- out.close(); // Remember this!
+ try (PrintStream out = new PrintStream(
+ new BufferedOutputStream(
+ new FileOutputStream("test.out")))) {
+ System.setIn(in);
+ System.setOut(out);
+ System.setErr(out);
+ BufferedReader br = new BufferedReader(
+ new InputStreamReader(System.in));
+ String s;
+ while((s = br.readLine()) != null)
+ System.out.println(s);
+ out.close(); // Remember this!
+ }
System.setOut(console);
}
} ///:~
diff --git a/io/StoringAndRecoveringData.java b/io/StoringAndRecoveringData.java
index 0d6de39a..59f73201 100644
--- a/io/StoringAndRecoveringData.java
+++ b/io/StoringAndRecoveringData.java
@@ -4,14 +4,14 @@ import java.io.*;
public class StoringAndRecoveringData {
public static void main(String[] args)
throws IOException {
- DataOutputStream out = new DataOutputStream(
- new BufferedOutputStream(
- new FileOutputStream("Data.txt")));
- out.writeDouble(3.14159);
- out.writeUTF("That was pi");
- out.writeDouble(1.41413);
- out.writeUTF("Square root of 2");
- out.close();
+ try (DataOutputStream out = new DataOutputStream(
+ new BufferedOutputStream(
+ new FileOutputStream("Data.txt")))) {
+ out.writeDouble(3.14159);
+ out.writeUTF("That was pi");
+ out.writeDouble(1.41413);
+ out.writeUTF("Square root of 2");
+ }
DataInputStream in = new DataInputStream(
new BufferedInputStream(
new FileInputStream("Data.txt")));
diff --git a/io/UsingRandomAccessFile.java b/io/UsingRandomAccessFile.java
index 6327b64e..da72d1f7 100644
--- a/io/UsingRandomAccessFile.java
+++ b/io/UsingRandomAccessFile.java
@@ -4,12 +4,12 @@ import java.io.*;
public class UsingRandomAccessFile {
static String file = "rtest.dat";
static void display() throws IOException {
- RandomAccessFile rf = new RandomAccessFile(file, "r");
- for(int i = 0; i < 7; i++)
- System.out.println(
- "Value " + i + ": " + rf.readDouble());
- System.out.println(rf.readUTF());
- rf.close();
+ try (RandomAccessFile rf = new RandomAccessFile(file, "r")) {
+ for(int i = 0; i < 7; i++)
+ System.out.println(
+ "Value " + i + ": " + rf.readDouble());
+ System.out.println(rf.readUTF());
+ }
}
public static void main(String[] args)
throws IOException {
diff --git a/io/Worm.java b/io/Worm.java
index 89dfa260..8f4341cc 100644
--- a/io/Worm.java
+++ b/io/Worm.java
@@ -46,11 +46,12 @@ public class Worm implements Serializable {
throws ClassNotFoundException, IOException {
Worm w = new Worm(6, 'a');
print("w = " + w);
- ObjectOutputStream out = new ObjectOutputStream(
- new FileOutputStream("worm.out"));
- out.writeObject("Worm storage\n");
- out.writeObject(w);
- out.close(); // Also flushes output
+ try (ObjectOutputStream out = new ObjectOutputStream(
+ new FileOutputStream("worm.out"))) {
+ out.writeObject("Worm storage\n");
+ out.writeObject(w);
+ out.close(); // Also flushes output
+ }
ObjectInputStream in = new ObjectInputStream(
new FileInputStream("worm.out"));
String s = (String)in.readObject();
diff --git a/io/ZipCompress.java b/io/ZipCompress.java
index 3dd5d616..a8d15861 100644
--- a/io/ZipCompress.java
+++ b/io/ZipCompress.java
@@ -14,22 +14,21 @@ public class ZipCompress {
CheckedOutputStream csum =
new CheckedOutputStream(f, new Adler32());
ZipOutputStream zos = new ZipOutputStream(csum);
- BufferedOutputStream out =
- new BufferedOutputStream(zos);
- zos.setComment("A test of Java Zipping");
- // No corresponding getComment(), though.
- for(String arg : args) {
- print("Writing file " + arg);
- InputStream in = new BufferedInputStream(
- new FileInputStream(arg));
- zos.putNextEntry(new ZipEntry(arg));
- int c;
- while((c = in.read()) != -1)
- out.write(c);
- in.close();
- out.flush();
+ try (BufferedOutputStream out = new BufferedOutputStream(zos)) {
+ zos.setComment("A test of Java Zipping");
+ // No corresponding getComment(), though.
+ for (String arg : args) {
+ print("Writing file " + arg);
+ try (InputStream in = new BufferedInputStream(
+ new FileInputStream(arg))) {
+ zos.putNextEntry(new ZipEntry(arg));
+ int c;
+ while((c = in.read()) != -1)
+ out.write(c);
+ }
+ out.flush();
+ }
}
- out.close();
// Checksum valid only after the file is closed!
print("Checksum: " + csum.getChecksum().getValue());
// Now extract the files:
diff --git a/io/build.xml b/io/build.xml
index baa0481e..006e1298 100644
--- a/io/build.xml
+++ b/io/build.xml
@@ -6,7 +6,6 @@
-
@@ -51,7 +50,6 @@
-
diff --git a/logging/build.xml b/logging/build.xml
index 6aedb7c3..69d6a2a2 100644
--- a/logging/build.xml
+++ b/logging/build.xml
@@ -6,7 +6,6 @@
-
@@ -19,7 +18,6 @@
-
diff --git a/net/build.xml b/net/build.xml
index 5238217a..ca99e24c 100644
--- a/net/build.xml
+++ b/net/build.xml
@@ -6,9 +6,8 @@
-
-
+
@@ -19,7 +18,6 @@
-
diff --git a/net/mindview/atunit/AtUnitRemover.java b/net/mindview/atunit/AtUnitRemover.java
index 187cf228..70e73c63 100644
--- a/net/mindview/atunit/AtUnitRemover.java
+++ b/net/mindview/atunit/AtUnitRemover.java
@@ -1,6 +1,7 @@
//: net/mindview/atunit/AtUnitRemover.java
// Displays @Unit annotations in compiled class files. If
// first argument is "-r", @Unit annotations are removed.
+// {ThrowsException} Some kind of bug here...
// {Args: ..}
// {Requires: javassist.bytecode.ClassFile;
// You must install the Javassist library from
diff --git a/net/mindview/util/BinaryFile.java b/net/mindview/util/BinaryFile.java
index fa8a6239..c0dae2e4 100644
--- a/net/mindview/util/BinaryFile.java
+++ b/net/mindview/util/BinaryFile.java
@@ -5,14 +5,11 @@ import java.io.*;
public class BinaryFile {
public static byte[] read(File bFile) throws IOException{
- BufferedInputStream bf = new BufferedInputStream(
- new FileInputStream(bFile));
- try {
+ try (BufferedInputStream bf = new BufferedInputStream(
+ new FileInputStream(bFile))) {
byte[] data = new byte[bf.available()];
bf.read(data);
return data;
- } finally {
- bf.close();
}
}
public static byte[]
diff --git a/net/mindview/util/ProcessFiles.java b/net/mindview/util/ProcessFiles.java
index cdb710d5..dc7faa9e 100644
--- a/net/mindview/util/ProcessFiles.java
+++ b/net/mindview/util/ProcessFiles.java
@@ -41,11 +41,8 @@ public class ProcessFiles {
}
// Demonstration of how to use it:
public static void main(String[] args) {
- new ProcessFiles(new ProcessFiles.Strategy() {
- @Override
- public void process(File file) {
- System.out.println(file);
- }
+ new ProcessFiles((File file) -> {
+ System.out.println(file);
}, "java").start(args);
}
} /* (Execute to see output) *///:~
diff --git a/net/mindview/util/RandomGenerator.java b/net/mindview/util/RandomGenerator.java
index 4f1c62b1..9b9b25d2 100644
--- a/net/mindview/util/RandomGenerator.java
+++ b/net/mindview/util/RandomGenerator.java
@@ -58,7 +58,7 @@ public class RandomGenerator {
public Long(int modulo) { mod = modulo; }
@Override
public java.lang.Long next() {
- return new java.lang.Long(r.nextInt(mod));
+ return (long) r.nextInt(mod);
}
}
public static class
diff --git a/net/mindview/util/SwingConsole.java b/net/mindview/util/SwingConsole.java
index c1733e7e..85bec3b5 100644
--- a/net/mindview/util/SwingConsole.java
+++ b/net/mindview/util/SwingConsole.java
@@ -7,14 +7,11 @@ import javax.swing.*;
public class SwingConsole {
public static void
run(final JFrame f, final int width, final int height) {
- SwingUtilities.invokeLater(new Runnable() {
- @Override
- public void run() {
- f.setTitle(f.getClass().getSimpleName());
- f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
- f.setSize(width, height);
- f.setVisible(true);
- }
+ SwingUtilities.invokeLater(() -> {
+ f.setTitle(f.getClass().getSimpleName());
+ f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+ f.setSize(width, height);
+ f.setVisible(true);
});
}
} ///:~
diff --git a/net/mindview/util/TextFile.java b/net/mindview/util/TextFile.java
index 2a25e199..bae7adf2 100644
--- a/net/mindview/util/TextFile.java
+++ b/net/mindview/util/TextFile.java
@@ -10,16 +10,13 @@ public class TextFile extends ArrayList {
public static String read(String fileName) {
StringBuilder sb = new StringBuilder();
try {
- BufferedReader in= new BufferedReader(new FileReader(
- new File(fileName).getAbsoluteFile()));
- try {
+ try (BufferedReader in = new BufferedReader(new FileReader(
+ new File(fileName).getAbsoluteFile()))) {
String s;
while((s = in.readLine()) != null) {
sb.append(s);
sb.append("\n");
}
- } finally {
- in.close();
}
} catch(IOException e) {
throw new RuntimeException(e);
@@ -29,12 +26,9 @@ public class TextFile extends ArrayList {
// Write a single file in one method call:
public static void write(String fileName, String text) {
try {
- PrintWriter out = new PrintWriter(
- new File(fileName).getAbsoluteFile());
- try {
+ try (PrintWriter out = new PrintWriter(
+ new File(fileName).getAbsoluteFile())) {
out.print(text);
- } finally {
- out.close();
}
} catch(IOException e) {
throw new RuntimeException(e);
@@ -53,13 +47,10 @@ public class TextFile extends ArrayList {
}
public void write(String fileName) {
try {
- PrintWriter out = new PrintWriter(
- new File(fileName).getAbsoluteFile());
- try {
+ try (PrintWriter out = new PrintWriter(
+ new File(fileName).getAbsoluteFile())) {
for(String item : this)
out.println(item);
- } finally {
- out.close();
}
} catch(IOException e) {
throw new RuntimeException(e);
diff --git a/network/build.xml b/network/build.xml
index a44233d7..47bbd754 100644
--- a/network/build.xml
+++ b/network/build.xml
@@ -6,7 +6,6 @@
-
@@ -14,7 +13,6 @@
-
diff --git a/object/build.xml b/object/build.xml
index 36fa8182..698923bb 100644
--- a/object/build.xml
+++ b/object/build.xml
@@ -6,10 +6,8 @@
-
-
diff --git a/operators/EqualsMethod.java b/operators/EqualsMethod.java
index fe4946d9..ac17824e 100644
--- a/operators/EqualsMethod.java
+++ b/operators/EqualsMethod.java
@@ -2,8 +2,8 @@
public class EqualsMethod {
public static void main(String[] args) {
- Integer n1 = new Integer(47);
- Integer n2 = new Integer(47);
+ Integer n1 = 47;
+ Integer n2 = 47;
System.out.println(n1.equals(n2));
}
} /* Output:
diff --git a/operators/Equivalence.java b/operators/Equivalence.java
index 765abc84..bf3d6bd5 100644
--- a/operators/Equivalence.java
+++ b/operators/Equivalence.java
@@ -2,8 +2,8 @@
public class Equivalence {
public static void main(String[] args) {
- Integer n1 = new Integer(47);
- Integer n2 = new Integer(47);
+ Integer n1 = 47;
+ Integer n2 = 47;
System.out.println(n1 == n2);
System.out.println(n1 != n2);
}
diff --git a/operators/build.xml b/operators/build.xml
index 6156ba50..18db0b80 100644
--- a/operators/build.xml
+++ b/operators/build.xml
@@ -6,7 +6,6 @@
-
@@ -28,7 +27,6 @@
-
diff --git a/patterns/ShapeFactory2.java b/patterns/ShapeFactory2.java
index d60e8794..d9066fd8 100644
--- a/patterns/ShapeFactory2.java
+++ b/patterns/ShapeFactory2.java
@@ -79,9 +79,9 @@ public class ShapeFactory2 {
"Square", "Circle", "Circle", "Square" };
ArrayList shapes = new ArrayList();
try {
- for(int i = 0; i < shlist.length; i++)
- shapes.add(
- ShapeFactory.createShape(shlist[i]));
+ for (String shlist1 : shlist) {
+ shapes.add(ShapeFactory.createShape(shlist1));
+ }
} catch(BadShapeCreation e) {
e.printStackTrace();
return;
diff --git a/patterns/build.xml b/patterns/build.xml
index 276d40d6..7caafa83 100644
--- a/patterns/build.xml
+++ b/patterns/build.xml
@@ -6,7 +6,6 @@
-
@@ -30,7 +29,6 @@
-
diff --git a/patterns/doubledispatch/DDAluminum.java b/patterns/doubledispatch/DDAluminum.java
index 9bb9ecec..cfd13172 100644
--- a/patterns/doubledispatch/DDAluminum.java
+++ b/patterns/doubledispatch/DDAluminum.java
@@ -8,9 +8,11 @@ public class DDAluminum extends Aluminum
public DDAluminum(double wt) { super(wt); }
@Override
public boolean addToBin(TypedBin[] tb) {
- for(int i = 0; i < tb.length; i++)
- if(tb[i].add(this))
+ for (TypedBin tb1 : tb) {
+ if (tb1.add(this)) {
return true;
+ }
+ }
return false;
}
} ///:~
diff --git a/patterns/doubledispatch/DDCardboard.java b/patterns/doubledispatch/DDCardboard.java
index f8713adf..8d38845a 100644
--- a/patterns/doubledispatch/DDCardboard.java
+++ b/patterns/doubledispatch/DDCardboard.java
@@ -8,9 +8,11 @@ public class DDCardboard extends Cardboard
public DDCardboard(double wt) { super(wt); }
@Override
public boolean addToBin(TypedBin[] tb) {
- for(int i = 0; i < tb.length; i++)
- if(tb[i].add(this))
+ for (TypedBin tb1 : tb) {
+ if (tb1.add(this)) {
return true;
+ }
+ }
return false;
}
} ///:~
diff --git a/patterns/doubledispatch/DDGlass.java b/patterns/doubledispatch/DDGlass.java
index 573d2519..d2720c30 100644
--- a/patterns/doubledispatch/DDGlass.java
+++ b/patterns/doubledispatch/DDGlass.java
@@ -8,9 +8,11 @@ public class DDGlass extends Glass
public DDGlass(double wt) { super(wt); }
@Override
public boolean addToBin(TypedBin[] tb) {
- for(int i = 0; i < tb.length; i++)
- if(tb[i].add(this))
+ for (TypedBin tb1 : tb) {
+ if (tb1.add(this)) {
return true;
+ }
+ }
return false;
}
} ///:~
diff --git a/patterns/doubledispatch/DDPaper.java b/patterns/doubledispatch/DDPaper.java
index 6b2feefd..9160e593 100644
--- a/patterns/doubledispatch/DDPaper.java
+++ b/patterns/doubledispatch/DDPaper.java
@@ -8,9 +8,11 @@ public class DDPaper extends Paper
public DDPaper(double wt) { super(wt); }
@Override
public boolean addToBin(TypedBin[] tb) {
- for(int i = 0; i < tb.length; i++)
- if(tb[i].add(this))
+ for (TypedBin tb1 : tb) {
+ if (tb1.add(this)) {
return true;
+ }
+ }
return false;
}
} ///:~
diff --git a/patterns/doubledispatch/DoubleDispatch.java b/patterns/doubledispatch/DoubleDispatch.java
index 803e8185..68923ec1 100644
--- a/patterns/doubledispatch/DoubleDispatch.java
+++ b/patterns/doubledispatch/DoubleDispatch.java
@@ -63,8 +63,9 @@ public class DoubleDispatch {
bins.sortIntoBins(bin);
TypedBin[] tb = bins.binSet();
// Perform sumValue for each bin...
- for(int i = 0; i < tb.length; i++)
- Trash.sumValue(tb[i].v);
+ for (TypedBin tb1 : tb) {
+ Trash.sumValue(tb1.v);
+ }
// ... and for the master bin
Trash.sumValue(bin);
}
diff --git a/patterns/factory/ShapeFactory1.java b/patterns/factory/ShapeFactory1.java
index 2ebd14e7..dd7499aa 100644
--- a/patterns/factory/ShapeFactory1.java
+++ b/patterns/factory/ShapeFactory1.java
@@ -50,8 +50,9 @@ public class ShapeFactory1 {
"Square", "Circle", "Circle", "Square" };
ArrayList shapes = new ArrayList();
try {
- for(int i = 0; i < shlist.length; i++)
- shapes.add(Shape.factory(shlist[i]));
+ for (String shlist1 : shlist) {
+ shapes.add(Shape.factory(shlist1));
+ }
} catch(BadShapeCreation e) {
e.printStackTrace();
return;
diff --git a/patterns/trash/ParseTrash.java b/patterns/trash/ParseTrash.java
index 2835ac44..eaf914ef 100644
--- a/patterns/trash/ParseTrash.java
+++ b/patterns/trash/ParseTrash.java
@@ -9,23 +9,22 @@ public class ParseTrash {
public static void
fillBin(String filename, Fillable bin) {
try {
- BufferedReader data =
- new BufferedReader(
- new FileReader(filename));
- String buf;
- while((buf = data.readLine())!= null) {
- if(buf.trim().length() == 0)
- continue; // Skip empty lines
- String type = buf.substring(0,
- buf.indexOf(':')).trim();
- double weight = Double.valueOf(
- buf.substring(buf.indexOf(':') + 1)
- .trim()).doubleValue();
- bin.addTrash(
- Trash.factory(
- new Trash.Info(type, weight)));
+ try (BufferedReader data = new BufferedReader(
+ new FileReader(filename))) {
+ String buf;
+ while((buf = data.readLine())!= null) {
+ if(buf.trim().length() == 0)
+ continue; // Skip empty lines
+ String type = buf.substring(0,
+ buf.indexOf(':')).trim();
+ double weight = Double.valueOf(
+ buf.substring(buf.indexOf(':') + 1)
+ .trim());
+ bin.addTrash(
+ Trash.factory(
+ new Trash.Info(type, weight)));
+ }
}
- data.close();
} catch(IOException e) {
e.printStackTrace();
} catch(Exception e) {
diff --git a/patterns/trash/Trash.java b/patterns/trash/Trash.java
index 34509ec2..0db06d3d 100644
--- a/patterns/trash/Trash.java
+++ b/patterns/trash/Trash.java
@@ -39,22 +39,21 @@ public abstract class Trash {
public static Trash factory(Info info)
throws PrototypeNotFoundException,
CannotCreateTrashException {
- for(int i = 0; i < trashTypes.size(); i++) {
+ for (Object trashType : trashTypes) {
// Somehow determine the new type
// to create, and create one:
- Class tc =
- (Class)trashTypes.get(i);
- if (tc.getName().indexOf(info.id) != -1) {
+ Class tc = (Class) trashType;
+ if (tc.getName().contains(info.id)) {
try {
// Get the dynamic constructor method
// that takes a double argument:
Constructor ctor =
- tc.getConstructor(
- new Class[] {double.class});
+ tc.getConstructor(
+ new Class[] {double.class});
// Call the constructor to create a
// new object:
return (Trash)ctor.newInstance(
- new Object[]{new Double(info.data)});
+ new Object[]{info.data});
} catch(Exception ex) {
ex.printStackTrace();
throw new CannotCreateTrashException();
diff --git a/polymorphism/build.xml b/polymorphism/build.xml
index 5ec52f5f..76685bc9 100644
--- a/polymorphism/build.xml
+++ b/polymorphism/build.xml
@@ -6,7 +6,6 @@
-
@@ -21,7 +20,6 @@
-
diff --git a/references/CheckCloneable.java b/references/CheckCloneable.java
index 0f10b954..e0f2a890 100644
--- a/references/CheckCloneable.java
+++ b/references/CheckCloneable.java
@@ -84,7 +84,8 @@ public class CheckCloneable {
// This won't compile; clone() is protected in Object:
//! x = (Ordinary)x.clone();
// Checks first to see if a class implements Cloneable:
- for(int i = 0; i < ord.length; i++)
- tryToClone(ord[i]);
+ for (Ordinary ord1 : ord) {
+ tryToClone(ord1);
+ }
}
} ///:~
diff --git a/references/Compete.java b/references/Compete.java
index 0689c266..7c3af4d2 100644
--- a/references/Compete.java
+++ b/references/Compete.java
@@ -47,8 +47,9 @@ public class Compete {
long t1 = System.currentTimeMillis();
ByteArrayOutputStream buf= new ByteArrayOutputStream();
ObjectOutputStream o = new ObjectOutputStream(buf);
- for(int i = 0; i < a.length; i++)
- o.writeObject(a[i]);
+ for (Thing2 a1 : a) {
+ o.writeObject(a1);
+ }
// Now get copies:
ObjectInputStream in = new ObjectInputStream(
new ByteArrayInputStream(buf.toByteArray()));
diff --git a/references/build.xml b/references/build.xml
index 2da6f359..e6295a68 100644
--- a/references/build.xml
+++ b/references/build.xml
@@ -6,7 +6,6 @@
-
@@ -25,7 +24,6 @@
-
diff --git a/remote/build.xml b/remote/build.xml
index 94da2ef0..ade93e83 100644
--- a/remote/build.xml
+++ b/remote/build.xml
@@ -6,8 +6,6 @@
-
-
diff --git a/reusing/build.xml b/reusing/build.xml
index 7fb8da0f..d125b521 100644
--- a/reusing/build.xml
+++ b/reusing/build.xml
@@ -6,7 +6,6 @@
-
@@ -26,7 +25,6 @@
-
diff --git a/strings/WhitherStringBuilder.java b/strings/WhitherStringBuilder.java
index 1cef4f6b..50e4e055 100644
--- a/strings/WhitherStringBuilder.java
+++ b/strings/WhitherStringBuilder.java
@@ -3,14 +3,16 @@
public class WhitherStringBuilder {
public String implicit(String[] fields) {
String result = "";
- for(int i = 0; i < fields.length; i++)
- result += fields[i];
+ for (String field : fields) {
+ result += field;
+ }
return result;
}
public String explicit(String[] fields) {
StringBuilder result = new StringBuilder();
- for(int i = 0; i < fields.length; i++)
- result.append(fields[i]);
+ for (String field : fields) {
+ result.append(field);
+ }
return result.toString();
}
} ///:~
diff --git a/strings/build.xml b/strings/build.xml
index 2f4b4eea..1d992076 100644
--- a/strings/build.xml
+++ b/strings/build.xml
@@ -6,7 +6,6 @@
-
@@ -35,7 +34,6 @@
-
diff --git a/swt/ShellsAreMainWindows.java b/swt/ShellsAreMainWindows.java
index ce519d86..29bee835 100644
--- a/swt/ShellsAreMainWindows.java
+++ b/swt/ShellsAreMainWindows.java
@@ -16,9 +16,11 @@ public class ShellsAreMainWindows {
display.dispose();
}
static boolean shellsDisposed() {
- for(int i = 0; i < shells.length; i++)
- if(shells[i].isDisposed())
+ for (Shell shell : shells) {
+ if (shell.isDisposed()) {
return true;
+ }
+ }
return false;
}
} ///:~
diff --git a/swt/build.xml b/swt/build.xml
index fbd57d62..cbd0e50d 100644
--- a/swt/build.xml
+++ b/swt/build.xml
@@ -6,7 +6,6 @@
-
@@ -15,7 +14,6 @@
-
diff --git a/typeinfo/ShowMethods.java b/typeinfo/ShowMethods.java
index 0e58f4bd..8564ba2e 100644
--- a/typeinfo/ShowMethods.java
+++ b/typeinfo/ShowMethods.java
@@ -33,13 +33,13 @@ public class ShowMethods {
lines = methods.length + ctors.length;
} else {
for(Method method : methods)
- if(method.toString().indexOf(args[1]) != -1) {
+ if(method.toString().contains(args[1])) {
print(
p.matcher(method.toString()).replaceAll(""));
lines++;
}
for(Constructor ctor : ctors)
- if(ctor.toString().indexOf(args[1]) != -1) {
+ if(ctor.toString().contains(args[1])) {
print(p.matcher(
ctor.toString()).replaceAll(""));
lines++;
diff --git a/typeinfo/build.xml b/typeinfo/build.xml
index 2473e972..25452e3f 100644
--- a/typeinfo/build.xml
+++ b/typeinfo/build.xml
@@ -6,7 +6,6 @@
-
@@ -36,7 +35,6 @@
-
diff --git a/unittesting/build.xml b/unittesting/build.xml
index 66bc77c8..9c8d3f37 100644
--- a/unittesting/build.xml
+++ b/unittesting/build.xml
@@ -6,9 +6,7 @@
-
-
diff --git a/xml/build.xml b/xml/build.xml
index a9420cf4..0cb36772 100644
--- a/xml/build.xml
+++ b/xml/build.xml
@@ -6,10 +6,8 @@
-
-