//例12-4 BorderLayout布局管理器
import java.awt.*;
public class TestBorderLayout{
    private Frame f;
    TestBorderLayout(){
       f=new Frame("MyFrame for testing BorderLayout");
       f.setLayout(new BorderLayout(10,20));
       f.add("North",  new Button("北"));
       f.add("South",  new Button("南"));
       f.add("East",   new Button("東"));
       f.add("West",   new Button("西"));
       f.add("Center",  new Button("中"));  
       f.setBackground(new Color(255,0,78));      
       f.setSize(200,200);
       f.setVisible(true);   
    }
public static void  main(String args[]){
       TestBorderLayout tb=new TestBorderLayout();
}
}