Java tutorial
//package com.java2s; import java.nio.ByteBuffer; public class Main { /** * Converts an array of 4 bytes into a int. * * @param bytes The bytes. * @return The int. */ public static int bytesToInt(final byte[] bytes) { final ByteBuffer buffer = ByteBuffer.allocate(4); buffer.put(bytes, 0, 4); buffer.flip(); return buffer.getInt(); } }