import java.awt.*;
import java.applet.*;
import java.net.*;

public class TestOnLine extends Applet
{
  Image imgA;

  public void init()
  {
    try {
    imgA=getImage(new URL("http://wstatic.naver.com/t/2007/0605/20070605151845.gif"));
    }
    catch (MalformedURLException me) { }
  }

  public void paint(Graphics g)
  {
    g.drawImage(imgA,100,100,this);
  }
}

결과화면

출처 : http://www.bboks.net/entry/Java-Applet-%EC%99%B8%EB%B6%80-%EC%9D%B4%EB%AF%
B8%EC%A7%80-%EA%B0%80%EC%A0%B8%EC%98%A4%EA%B8%B0