testgridlayout.java

Java 图形界面入门实例

import java.awt.*;
public class TestGridLayout
{ 
   public static void main(String args[])
   { Frame f=new Frame("GridLayout testing");
     f.setLayout(new GridLayout(3,1,10,20));
     String str="123456789";
     for(int i=1;i<=str.length();i++)
        f.add(new Button(str.substring(i-1,i)));
     f.setSize(200,200);
     f.setVisible(true);
    }
}