// BEGIN TESTURL CLASS
import java.io.*;

public class TestURL {
 static boolean listening = true;

public static void main(String[] args) throws IOException {
        System.out.println("Starting...");
     ImageDownloader id1 = null;
     ImageDownloader id2 = null;

        id1 = new ImageDownloader("http://www.visnat.com/entry/vnimages/
workplace1.jpg","1");
        id2 = new ImageDownloader("http://www.visnat.com/entry/vnimages/
workplace2.jpg","2");
        System.out.println("Starting threads...");
        id1.start();
        id2.start();
        System.out.println("After threads...");
    }

}
import java.io.*;

public class TestURL {
 static boolean listening = true;

    public static void main(String[] args) throws IOException {
        System.out.println("Starting...");
     ImageDownloader id1 = null;
     ImageDownloader id2 = null;

        id1 = new ImageDownloader("http://www.visnat.com/entry/vnimages/
workplace1.jpg","1");
        id2 = new ImageDownloader("http://www.visnat.com/entry/vnimages/
workplace2.jpg","2");
        System.out.println("Starting threads...");
        id1.start();
        id2.start();
        System.out.println("After threads...");
    }

}
// END TESTURL CLASS

// BEGIN IMAGEDOWNLOADER CLASS
import java.io.*;
import java.net.*;

public class ImageDownloader extends Thread {
private static final boolean DEBUG = true;
private String strUrl;
private String strOutFileName = "memory";
private String TID;
private int i = 0;

public ImageDownloader(String theurl,String threadID) {
 strUrl = theurl;
 TID = threadID;
}

public void run() {
 System.out.println("Starting thread");
 URL url;
 InputStream is = null;

 while(i < 2) {
  i++;
  try {
    long numMillisecondsToSleep = 1000;
    Thread.sleep(numMillisecondsToSleep);
  } catch (InterruptedException e) {
    return;
  }

 try {
   url = new URL(strUrl);
   is = url.openStream();  //throws an IOException
 } catch (IOException ioe) {
   System.out.println(TID + ": the url openstream call failed:" +
ioe);
 }

  try {
   if (DEBUG) System.out.println("Thread " + TID + ": Starting save
of " + strUrl + " to " + strOutFileName + " ...");
   BufferedInputStream bis=new BufferedInputStream(is);
   byte[] buff = new byte[4096];
   byte[] buff2 = new byte[32767];
   int bytesRead;
   int buff2Offset=0;

   while(-1 != (bytesRead = bis.read(buff, 0, buff.length))) {
    System.arraycopy(buff, 0, buff2, buff2Offset, bytesRead);
    buff2Offset += bytesRead;
   }
   if (DEBUG) System.out.println("Thread " + TID + ": Task " + i+ ":
" + buff2Offset + " bytes read into memory buffer.");
   if (DEBUG) System.out.println("Thread " + TID + ": done with task
" + i);
  }
  catch (Exception e)
  {
   System.out.println("Exception happened : " + e);
  } //END TRY
 } //END WHILE
} //END RUN()

}
// END IMAGEDOWNLOADER CLASS