ＪＡＶＡ３６ - プログラム倉庫

import java.net.*;
import java.io.*;

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

public class pro extends JFrame {

private Image img;
public static void main(String[] args) {
	pro frm = [[new]] pro();
	frm.addWindowListener(new WindowAdapter() {
		public void windowClosed(WindowEvent e) {
			System.exit(0);
		}
	});
	frm.setBounds(0 , 0 , 400 , 200);
	frm.setVisible(true);
	frm.setDefaultCloseOperation(DISPOSE_ON_CLOSE);

	try {
		URL url = new URL("http://img.f.hatena.ne.jp/images/fotolife/e/esu-kei/20090918/20090918084622.jpg");
		Object obj = url.getContent();
		if (!(obj instanceof ImageProducer)) System.exit(0);

		frm.img = frm.createImage((ImageProducer)obj);
	}
	catch(Exception e) {
		System.err.println(e);
	}
}

public void paint(Graphics g) {
	if (img != null) g.drawImage(img , 0 , 0 , this);
}

}