package com.Mianban;import java.awt.*;import java.io.File;import java.io.IOException;import javax.imageio.ImageIO;import javax.swing.*;public class Kj extends JFrame{public static void main(String[] args) {// TODO Auto-generated method stubKj kj=new Kj();}public Kj(){this.setLayout(null);Backphoto p=new Backphoto();p.setBounds(300, 200, 400, 300);this.add(p);this.setUndecorated(true);this.setVisible(true);//this.setLocation(300, 200);this.setSize(400, 300);}}class Backphoto extends JPanel{Image im;public Backphoto(){try {im=ImageIO.read(new File("image/dogs.png"));} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}}public void Paint(Graphics g){//super.paintComponent(g);g.drawImage(im,0,0,330,300,this);}}