Java tutorial
//package com.java2s; public class Main { public static String getNumberFromCode(String code) { char codeArray[] = code.toCharArray(); String numbers = ""; for (int i = 0; i < codeArray.length; i++) { int intNumber = (int) codeArray[i] - 1632; numbers += Character.toString((char) (intNumber + 48)); } return numbers; } }