gistfile1.java

import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.MalformedURLException;
import java.net.URL;

import org.omg.CORBA.PUBLIC_MEMBER;




public class Download2 {

	public static void main(String[] args) throws IOException {
		// TODO Auto-generated method stub
		long start = System.currentTimeMillis();

		final URL[] urls={
				new URL("http://openhome.cc/Gossip/Encoding/"),
				new URL("http://openhome.cc/Gossip/Scala/"),
				new URL("http://openhome.cc/Gossip/JavaScript/"),
				new URL("http://openhome.cc/Gossip/Python/")
		};
		 final String[] fileNames= {
				"Encoding.html",
				"Scala.html",
				"JavaScript.html",
				"Python.html"
		};
		for (int i = 0; i < urls.length; i++) {
			final int index=i;
			new Thread(){
				@Override
				public void run() {
					try {
						dump(urls[index].openStream(),new FileOutputStream(fileNames[index]));
					} catch (IOException e) {
						// TODO Auto-generated catch block
						throw new RuntimeException(e);
					}	
				};
				
			}.start();
			
		}
		long exit = System.currentTimeMillis();

		System.out.println("Exit");
		System.out.println((exit-start));
	}
	
	
	
	
	
	
	public static void dump(InputStream src,OutputStream dest) throws IOException{
		try(InputStream input=src;OutputStream output=dest){
			byte[] data=new byte[1024];
			int length=-1;
			while ((length=input.read(data))!=-1) {
				output.write(data,0,length);
				
			}			
		}
	}

}