Here you can find the source of classToString(int clasS)
static String classToString(int clasS)
//package com.java2s; /*/*w w w .j ava2 s . com*/ async-net: A basic asynchronous network library, based on netty Copyright (C) 2016 melchor629 (melchor9000@gmail.com) This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ public class Main { static String classToString(int clasS) { switch (clasS) { case 1: return "IN"; case 2: return "CS"; case 3: return "CH"; case 4: return "HS"; default: return null; } } }