borderlayoutdemo.java

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// 例6.4.2 BorderLayoutDemo.java
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class BorderLayoutDemo
{
private JFrame jframe;
private JButton jb1,jb2,jb3,jb4,jb5;
public BorderLayoutDemo()
{
jframe = new JFrame("BorderLayout演示窗口");
Container c = jframe.getContentPane();
jb1 = new JButton("第一个按钮");
jb2 = new JButton("第二个按钮");
jb3 = new JButton("第三个按钮");
jb4 = new JButton("第四个按钮");
jb5 = new JButton("第五个按钮");

c.add(jb1,BorderLayout.NORTH);c.add(jb2,BorderLayout.SOUTH);
c.add(jb3,BorderLayout.EAST);c.add(jb4,BorderLayout.WEST);
c.add(jb5,BorderLayout.CENTER);

jframe.setSize(350,150);
jframe.setVisible(true);
jframe.addWindowListener(new WindowAdapter(){
public void windowClosing(WindowEvent e){
System.exit(0);	
}	
});
}
public static void main(String[] args)
{
new BorderLayoutDemo();
}
}