showgrid.java

Java程序设计技巧与开发实例附书源代码。

import java.awt.*;

public class ShowGrid
    extends Frame
{
   public ShowGrid()
   {
      super("GridLayout example");
      setLayout(new GridLayout(2, 3));
      add(new Button("Button 1"));
      add(new Button("Button 2"));
      add(new Button("Button 3"));
      add(new Button("Button 4"));
      add(new Button("Button 5"));
      addWindowListener(new WindowCloser());
      pack();
      show();
   }

   public static void main(String args[])
   {
      ShowGrid gl = new ShowGrid();
   }
}