java的练习

import java.awt.GridLayout;

import javax.swing.ImageIcon;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JPanel;

public class tuxiang extends JFrame{

	private ImageIcon i1 = new ImageIcon("d:/1111.jpg");

	public tuxiang(){

		JPanel jjj = new JPanel(new GridLayout(1,4,5,5));

		//setLayout(new GridLayout(1,4,5,5));

		jjj.add(new JButton(i1));

		//add(new JButton(i1));

		//jjj.add(new JButton("nihao"));

		add(jjj);                                  //可以把图形插在面板或者框架上....自己调试了下,都可以

	}

	public static void main(String[] args){

		tuxiang jj = new tuxiang();

		jj.setTitle("hello world!");

		jj.setSize(400, 500);

		jj.setLocationRelativeTo(null);

		jj.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

		jj.setVisible(true);

	}

}