showborder.java

Java程序设计技巧与开发实例附书源代码。

import java.awt.*;

public class ShowBorder
    extends Frame
{
   public ShowBorder()
   {
      super("BorderLayout example");
      setLayout(new BorderLayout());
      add("East", new Button("Button 1"));
      add("West", new Button("Button 2"));
      add("North", new Button("Button 3"));
      add("South", new Button("Button 4"));
      add("Center", new Button("Button 5"));
      addWindowListener(new WindowCloser());
      pack();
      show();
   }

   public static void main(String args[])
   {
      ShowBorder bl = new ShowBorder();
   }
}