Java tutorial
//package com.java2s; public class Main { public static int APHash(String str) { int hash = 0; for (int i = 0; i < str.length(); i++) { hash ^= ((i & 1) == 0) ? ((hash << 7) ^ str.charAt(i) ^ (hash >> 3)) : (~((hash << 11) ^ str.charAt(i) ^ (hash >> 5))); } // return (hash & 0x7FFFFFFF); return hash; } }