cardlayoutdemo.java

java经典10例子

/**
 *BorderLayoutDemo.java
 */
import java.awt.*;

public class CardLayoutDemo extends Frame{
	Panel p1,p2,p3;
	Button[] buttons = new Button[20];
	
	public CardLayoutDemo(){
		super("CardLayoutDemo");
		setLayout(new CardLayout(4,5));
		p1=new Panel();
		p2=new Panel();
		p3=new Panel();
		p1.setLayout(new GridLayout(4,5));
		add("p1",p1);
		add("p2",p2);
		add("p3",p3);
		for(int i=0;i<buttons.length;i++){
			buttons[i]=new Button(""+(i+1));
			p1.add(buttons[i]);
		}
		
	}
	
	public static void main(String args[]){
		CardLayoutDemo objB = new CardLayoutDemo();
		objB.setSize(200,200);
		objB.show();
	}
}