Here you can find the source of unescape(String value)
static public String unescape(String value)
//package com.java2s; //License from project: Open Source License public class Main { static public String unescape(String value) { if (value.length() < 2) { return value; }/*from w w w.ja v a2s .com*/ if ((value.charAt(0) == '@') && (value.charAt(1) == '@')) { return value.substring(1); } return value; } }