Java tutorial
//package com.java2s; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; public class Main { /** * <pre> * Convenient method to copy file. * </pre> * @param in {@link InputStream} of source file * @param out {@link OutputStream} of destination file */ public static void copyFile(InputStream in, OutputStream out) throws IOException { byte[] buffer = new byte[1024]; int read; while ((read = in.read(buffer)) != -1) { out.write(buffer, 0, read); } in.close(); out.flush(); out.close(); } }