//【例6.4】  BorderLayout布局演示。


import java.awt.*;

public class BorderLayoutFrame extends Frame
{
    public BorderLayoutFrame()
    {
        super("BorderLayout");                         //框架默認(rèn)布局是BorderLayout
        this.setSize(200,120);

        this.add(new Button("東"),BorderLayout.EAST);  //組件添加在框架東邊
        this.add(new Button("南"),"South");
        this.add(new Button("西"),"West");
        this.add(new Button("北"),"North");
        Button button_center = new Button("中"); 
        this.add(button_center,BorderLayout.CENTER);   //可以省略為this.add(button_center);
      
        this.setVisible(true);
    }

    public static void main(String arg[])
    {
        new BorderLayoutFrame();
    }
}