DownloadFile.java

import java.io.BufferedInputStream;
import java.io.ByteArrayOutputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;


public class DownloadFile {
	public static void download(String fileName, String url) throws IOException {
		 
		 URL link = new URL(url); //The file that you want to download
		
                 //Code to download
		 InputStream in = new BufferedInputStream(link.openStream());
		 ByteArrayOutputStream out = new ByteArrayOutputStream();
		 byte[] buf = new byte[1024];
		 int n = 0;
		 while (-1!=(n=in.read(buf)))
		 {
		    out.write(buf, 0, n);
		 }
		 out.close();
		 in.close();
		 byte[] response = out.toByteArray();
 
		 FileOutputStream fos = new FileOutputStream(fileName);
		 fos.write(response);
		 fos.close();
                 //End download code
		 
		 System.out.println("Finished");
	}
}