appletdemo1.java

java程序设计语言源代码

//Example 1 of Chapter 6

import  java.awt.*;
import  javax.swing.*;

public  class  AppletDemo1  extends  JApplet
{
	JPanel p;
	JButton b1[],b2[];
	
	public  void  init()
	{
		Container container = getContentPane();
		container.setLayout(new  BorderLayout());
		p = new JPanel();
		p.setLayout(new  GridLayout( 3, 3, 5, 5 ));
		b1 = new JButton[4];
		b2 = new JButton[9];
		for(int i = 0; i<4; i++)
		{
			b1[i] = new JButton("Outer"+i);
		}
		
		for(int i = 0; i<9; i++)
		{
			b2[i] = new JButton("Inner"+i);
			p.add( b2[i] );
		}
		
		container.add( b1[0] , BorderLayout.NORTH );
		container.add( b1[1] , BorderLayout.SOUTH );
		container.add( b1[2] , BorderLayout.WEST );
		container.add( b1[3] , BorderLayout.EAST );
		container.add( p , BorderLayout.CENTER );
    }
}