nestedcontainer.java

来自「由浅入深的介绍JAVAse的基本编程思想」· Java 代码 · 共 26 行

import java.awt.Frame;
import java.awt.Panel;
import java.awt.Button;
import java.awt.GridLayout;

public class NestedContainer {
	public static void main(String args[]) {
		Frame f = new Frame("NestedContainer");
		Button b0 = new Button("display Area");
		Panel p = new Panel();
		p.setLayout(new GridLayout(2,2));
		Button b1 = new Button("1");
		Button b2 = new Button("2");
		Button b3 = new Button("3");
		Button b4 = new Button("4");
		p.add(b1); 		
		p.add(b2);
		p.add(b3);		
		p.add(b4);
		f.add(b0, "North");
		f.add(p, "Center");
		f.pack(); 
		f.setVisible(true);    
	}
}