Download file

//rutera.org
//

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

public class Main {
 public static void main(String[] args) {
 URL url; //represents the location of the file we want to dl.
 URLConnection con; // represents a connection to the url we want to dl.
 DataInputStream dis; // input stream that will read data from the file.
 FileOutputStream fos; //used to write data from inut stream to file.
 byte[] fileData; //byte aray used to hold data from downloaded file.
 try {
 url = new URL("http://www.slava.bg/images/content/2011/10/10/33139/0901.jpg");
 con = url.openConnection(); // open the url connection.
 dis = new DataInputStream(con.getInputStream()); // get a data stream from the url connection.
 fileData = new byte[con.getContentLength()]; // determine how many byes the file size is and make array big enough to hold the data
 for (int x = 0; x < fileData.length; x++) { // fill byte array with bytes from the data input stream
 fileData[x] = dis.readByte();
 }
 dis.close(); // close the data input stream
 fos = new FileOutputStream(new File("file.jpg")); //create an object representing the file we want to save
 fos.write(fileData); // write out the file we want to save.
 fos.close(); // close the output stream writer
 }
 catch(MalformedURLException m) {
 System.out.println(m);
 }
 catch(IOException io) {
 System.out.println(io);
 }
 }
}