Java tutorial
//package com.java2s; public class Main { /** * Returns a string representation of the integer argument as an * unsigned integer in base 16. The string will be uppercase * and will have a leading '0x'. * * @param value the integer value * * @return the hex string representation */ public static String toHexString(final int value) { return "0x" + Integer.toHexString(value).toUpperCase(); } }