boxer.java

learning java的源代码。书中每个实例都有相关的代码example。

//file: Boxer.java
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class Boxer extends JPanel {
  public static void main(String[] args) {
    JFrame f = new JFrame("Boxer");
    f.addWindowListener(new WindowAdapter(  ) {
      public void windowClosing(WindowEvent e) { System.exit(0); }
    });
    f.setSize(250, 250);
    f.setLocation(200, 200);
    Container box = Box.createHorizontalBox(  );
    box.add(Box.createHorizontalGlue(  ));
    box.add(new JButton("In the"));
    box.add(Box.createHorizontalGlue(  ));
    box.add(new JButton("clearing"));
    box.add(Box.createHorizontalStrut(10));
    box.add(new JButton("stands"));
    box.add(Box.createHorizontalStrut(10));
    box.add(new JButton("a"));
    box.add(Box.createHorizontalGlue(  ));
    box.add(new JButton("boxer"));
    box.add(Box.createHorizontalGlue(  ));
    f.getContentPane(  ).add(box, BorderLayout.CENTER);
    f.pack(  );
    f.setVisible(true);
  }
}