OnJava8-Examples/ui/LongRunningTask.java
Bruce Eckel bc0026c3e1 Radically reorganized
Plus many new examples in "streams" chapter.
2015-11-11 20:20:04 -08:00

34 lines
864 B
Java

// ui/LongRunningTask.java
// A badly designed program.
import javax.swing.*;
import java.awt.*;
import java.util.concurrent.*;
import static onjava.SwingConsole.*;
public class LongRunningTask extends JFrame {
private JButton
b1 = new JButton("Start Long Running Task"),
b2 = new JButton("End Long Running Task");
public LongRunningTask() {
b1.addActionListener(e -> {
try {
TimeUnit.SECONDS.sleep(3);
} catch(InterruptedException ex) {
System.out.println("Task interrupted");
return;
}
System.out.println("Task completed");
});
b2.addActionListener(e -> {
// Interrupt yourself?
Thread.currentThread().interrupt();
});
setLayout(new FlowLayout());
add(b1);
add(b2);
}
public static void main(String[] args) {
run(new LongRunningTask(), 200, 150);
}
}