Java tutorial
//package com.java2s; //License from project: Open Source License import java.io.IOException; import java.io.InputStream; public class Main { public static int readUnsignedInt24(InputStream in) throws IOException { return ((in.read() & 0xff) << 16) | ((in.read() & 0xff) << 8) | (in.read() & 0xff); } }