Here you can find the source of substringBefore(String s, char c)
public static String substringBefore(String s, char c)
//package com.java2s; /*/* w w w . ja v a 2 s. c om*/ * _____ __ _ _ _____ _ * | __|___ ___ _ _ ___ ___| | |_|___| |_| _ | |_ _ ___ * |__ | -_| _| | | -_| _| |__| |_ -| _| __| | | |_ -| * |_____|___|_| \_/|___|_| |_____|_|___|_| |__| |_|___|___| * * ServerListPlus - http://git.io/slp * Copyright (c) 2014, Minecrell <https://github.com/Minecrell> * * 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 { public static String substringBefore(String s, char c) { int pos = s.indexOf(c); return pos >= 0 ? s.substring(0, pos) : s; } }