All book examples resolved and incorporated

concurrency/BankTellerSimulation.java

@@ -100,7 +100,7 @@ class TellerManager implements Runnable {
   private Queue<Teller> tellersDoingOtherThings =
     new LinkedList<Teller>();
   private int adjustmentPeriod;
-  private static Random rand = new Random(47);
+  
   public TellerManager(ExecutorService e,
     CustomerLine customers, int adjustmentPeriod) {
     exec = e;

concurrency/ExplicitCriticalSection.java

@@ -1,4 +1,5 @@
 //: concurrency/ExplicitCriticalSection.java
+// {ThrowsException} on a multiprocessor machine
 // Using explicit Lock objects to create critical sections.
 package concurrency;
 import java.util.concurrent.locks.*;
@@ -6,7 +7,7 @@ import java.util.concurrent.locks.*;
 // Synchronize the entire method:
 class ExplicitPairManager1 extends PairManager {
   private Lock lock = new ReentrantLock();
-  public synchronized void increment() {
+  public void increment() {
     lock.lock();
     try {
       p.incrementX();
@@ -42,7 +43,4 @@ public class ExplicitCriticalSection {
       pman2 = new ExplicitPairManager2();
     CriticalSection.testApproaches(pman1, pman2);
   }
-} /* Output: (Sample)
+} ///:~
-pm1: Pair: x: 15, y: 15 checkCounter = 174035
-pm2: Pair: x: 16, y: 16 checkCounter = 2608588
-*///:~

concurrency/PriorityBlockingQueueDemo.java

@@ -108,7 +108,6 @@ class PrioritizedTaskConsumer implements Runnable {
 
 public class PriorityBlockingQueueDemo {
   public static void main(String[] args) throws Exception {
-    Random rand = new Random(47);
     ExecutorService exec = Executors.newCachedThreadPool();
     PriorityBlockingQueue<Runnable> queue =
       new PriorityBlockingQueue<Runnable>();

containers/MapEntry.java

@@ -22,7 +22,8 @@ public class MapEntry<K,V> implements Map.Entry<K,V> {
   }
   public boolean equals(Object o) {
     if(!(o instanceof MapEntry)) return false;
-    MapEntry me = (MapEntry)o;
+    @SuppressWarnings("unchecked")
+    MapEntry<K,V> me = (MapEntry<K,V>)o;
     return
       (key == null ?
        me.getKey() == null : key.equals(me.getKey())) &&

generics/UseList.java

@@ -1,5 +1,5 @@
 //: generics/UseList.java
-// {CompileTimeError} (Won't compile)
+// {CompileTimeError} (Will not compile)
 import java.util.*;
 
 public class UseList<W,T> {

net/mindview/atunit/AtUnitRemover.java

@@ -7,11 +7,9 @@
 // www.javassist.org }
 package net.mindview.atunit;
 import javassist.*;
-import javassist.expr.*;
 import javassist.bytecode.*;
 import javassist.bytecode.annotation.*;
 import java.io.*;
-import java.util.*;
 import net.mindview.util.*;
 import static net.mindview.util.Print.*;
 

net/mindview/atunit/TestProperty.java

@@ -3,7 +3,7 @@
 package net.mindview.atunit;
 import java.lang.annotation.*;
 
-// Both fields and methods may be tagged as properties:
+// Both fields and methods can be tagged as properties:
 @Target({ElementType.FIELD, ElementType.METHOD})
 @Retention(RetentionPolicy.RUNTIME)
 public @interface TestProperty {} ///:~

net/mindview/util/CountingMapData.java

@@ -11,7 +11,7 @@ extends AbstractMap<Integer,String> {
     .split(" ");
   public CountingMapData(int size) {
     if(size < 0) this.size = 0;
-    this.size = size;
+    else this.size = size;
   }
   private static class Entry
   implements Map.Entry<Integer,String> {

net/mindview/util/Generated.java

@@ -1,6 +1,5 @@
 //: net/mindview/util/Generated.java
 package net.mindview.util;
-import java.util.*;
 
 public class Generated {
   // Fill an existing array:

net/mindview/util/Print.java

@@ -17,7 +17,7 @@ public class Print {
   public static void printnb(Object obj) {
     System.out.print(obj);
   }
-  // The new Java SE5 printf() (from C):
+  // The Java SE5 printf() (from C):
   public static PrintStream
   printf(String format, Object... args) {
     return System.out.printf(format, args);

net/mindview/util/TaskManager.java

@@ -35,7 +35,7 @@ extends ArrayList<TaskItem<R,C>> {
       // Leave completed tasks for results reporting:
       if(!item.future.isDone()) {
         results.add("Cancelling " + item.task);
-        item.future.cancel(true); // May interrupt
+        item.future.cancel(true); // Can interrupt
         items.remove();
       }
     }

operators/PassObject.java

@@ -1,5 +1,5 @@
 //: operators/PassObject.java
-// Passing objects to methods may not be
+// Passing objects to methods might not be
 // what you're used to.
 import static net.mindview.util.Print.*;
 

strings/Receipt.java

@@ -10,7 +10,7 @@ public class Receipt {
   }
   public void print(String name, int qty, double price) {
     f.format("%-15.15s %5d %10.2f\n", name, qty, price);
-    total += price;
+    total += price * qty;
   }
   public void printTotal() {
     f.format("%-15s %5s %10.2f\n", "Tax", "", total*0.06);
@@ -32,7 +32,7 @@ Item              Qty      Price
 Jack's Magic Be     4       4.25
 Princess Peas       3       5.10
 Three Bears Por     1      14.29
-Tax                         1.42
+Tax                         2.80
                            -----
-Total                      25.06
+Total                      49.39
 *///:~

strings/TestRegularExpression.java

@@ -1,5 +1,5 @@
 //: strings/TestRegularExpression.java
-// Allows you to easily try out regular expressions.
+// Easily try out regular expressions.
 // {Args: abcabcabcdefabc "abc+" "(abc)+" "(abc){2,}" }
 import java.util.regex.*;
 import static net.mindview.util.Print.*;

tools/Examples.py

@@ -1,5 +1,7 @@
 #! py -3
 """
+TODO: Make sure there's a newline at the end of the extracted files
+
 Extract code examples from TIJ4 Refreshed. Extracts from plain text file
 """
 from pathlib import Path

typeinfo/PetCount.java

@@ -30,11 +30,11 @@ public class PetCount {
         counter.count("Pug");
       if(pet instanceof Cat)
         counter.count("Cat");
-      if(pet instanceof Manx)
+      if(pet instanceof EgyptianMau)
         counter.count("EgyptianMau");
       if(pet instanceof Manx)
         counter.count("Manx");
-      if(pet instanceof Manx)
+      if(pet instanceof Cymric)
         counter.count("Cymric");
       if(pet instanceof Rodent)
         counter.count("Rodent");
@@ -54,5 +54,5 @@ public class PetCount {
   }
 } /* Output:
 Rat Manx Cymric Mutt Pug Cymric Pug Manx Cymric Rat EgyptianMau Hamster EgyptianMau Mutt Mutt Cymric Mouse Pug Mouse Cymric
-{Pug=3, Cat=9, Hamster=1, Cymric=7, Mouse=2, Mutt=3, Rodent=5, Pet=20, Manx=7, EgyptianMau=7, Dog=6, Rat=2}
+{Rat=2, Cymric=5, Cat=9, Pet=20, Dog=6, Manx=7, EgyptianMau=2, Pug=3, Mouse=2, Rodent=5, Hamster=1, Mutt=3}
 *///:~

xml/APerson.java

@@ -1,4 +1,4 @@
-//: xml/Person.java
+//: xml/APerson.java
 // Use the XOM library to write and read XML
 // {Requires: nu.xom.Node; You must install
 // the XOM library from http://www.xom.nu }
@@ -6,13 +6,13 @@ import nu.xom.*;
 import java.io.*;
 import java.util.*;
 
-public class Person {
+public class APerson {
   private String first, last;
-  public Person(String first, String last) {
+  public APerson(String first, String last) {
     this.first = first;
     this.last = last;
   }
-  // Produce an XML Element from this Person object:
+  // Produce an XML Element from this APerson object:
   public Element getXML() {
     Element person = new Element("person");
     Element firstName = new Element("first");
@@ -23,8 +23,8 @@ public class Person {
     person.appendChild(lastName);
     return person;
   }
-  // Constructor to restore a Person from an XML Element:
+  // Constructor to restore a APerson from an XML Element:
-  public Person(Element person) {
+  public APerson(Element person) {
     first= person.getFirstChildElement("first").getValue();
     last = person.getFirstChildElement("last").getValue();
   }
@@ -39,13 +39,13 @@ public class Person {
     serializer.flush();
   }
   public static void main(String[] args) throws Exception {
-    List<Person> people = Arrays.asList(
+    List<APerson> people = Arrays.asList(
-      new Person("Dr. Bunsen", "Honeydew"),
+      new APerson("Dr. Bunsen", "Honeydew"),
-      new Person("Gonzo", "The Great"),
+      new APerson("Gonzo", "The Great"),
-      new Person("Phillip J.", "Fry"));
+      new APerson("Phillip J.", "Fry"));
     System.out.println(people);
     Element root = new Element("people");
-    for(Person p : people)
+    for(APerson p : people)
       root.appendChild(p.getXML());
     Document doc = new Document(root);
     format(System.out, doc);

xml/People.java

@@ -1,18 +1,18 @@
 //: xml/People.java
 // {Requires: nu.xom.Node; You must install
 // the XOM library from http://www.xom.nu }
-// {RunFirst: Person}
+// {RunFirst: APerson}
 import nu.xom.*;
 import java.io.File;
 import java.util.*;
 
-public class People extends ArrayList<Person> {
+public class People extends ArrayList<APerson> {
   public People(String fileName) throws Exception  {
     Document doc = new Builder().build(new File(fileName));
     Elements elements =
       doc.getRootElement().getChildElements();
     for(int i = 0; i < elements.size(); i++)
-      add(new Person(elements.get(i)));
+      add(new APerson(elements.get(i)));
   }
   public static void main(String[] args) throws Exception {
     People p = new People("People.xml");