Java tutorial
//package com.java2s; import java.util.HashMap; import java.util.Map; public class Main { private static Map<String, String> msg = new HashMap<String, String>(); public static String getStringToNumber(String value) { StringBuffer sbu = new StringBuffer(); char[] chars = value.toCharArray(); for (int i = 0; i < chars.length; i++) { { sbu.append(msg.get("" + chars[i])); } } return sbu.toString(); } }