gridlayoutdemo.java

精通Java核心技术源代码

import java.awt.*;
import javax.swing.*;

public class GridLayoutDemo extends JFrame 
{
  	public GridLayoutDemo()
  	{
	       	super( "GridLayoutDemo" );
		
          	// 获取content pane并设置布局管理器
          	Container container = getContentPane();
          	GridLayout gridLayout=new GridLayout( 3,3 );
          	container.setLayout( gridLayout );
		  
          	// 创建按钮并将它们加入container中
	 		for ( int i=1; i<=8; i++ )
	       		container.add( new JButton( "Button" + i ) );
    
          	setSize( 360,140 );
          	setVisible( true );
       }
  
       public static void main(String[] args) 
       {
          	GridLayoutDemo gridLayoutDemo = new GridLayoutDemo();
          	gridLayoutDemo.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );
       }
}