Java tutorial
//package com.java2s; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; public class Main { public static void copy(InputStream src, File dst) throws IOException { OutputStream out = new FileOutputStream(dst); // Transfer bytes from in to out byte[] buf = new byte[1024]; int len; while ((len = src.read(buf)) > 0) { out.write(buf, 0, len); } src.close(); out.close(); } }