Problemas com new url + runtime. help!

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

public class Estudos{
  public static void main(String[] args){
    InputStream in = null;   
    OutputStream out = null;
    
    try{
      String arquivo = "http://www.google.com.br/intl/pt-BR_br/images/logo.gif";
      String destino = "c:\download.gif";	      
      
    
      URL url = new URL(arquivo); 
      in = url.openStream(); 
  
      out = new FileOutputStream(destino);
     
      byte[] buffer = new byte[4096];
      int bytes_read;
      
      while((bytes_read = in.read(buffer)) != -1)
        out.write(buffer, 0, bytes_read);
    }
      
    
    catch(Exception e){
      System.err.println(e);
    }
    finally{  
      try{ 
        in.close();  
        out.close(); 
      } 
      catch(Exception e){
        
      }
    }
  }
}