Here you can find the source of capitalize(String string)
public static String capitalize(String string)
//package com.java2s; /* // www.j a v a 2 s . c om * RealmSpeak is the Java application for playing the board game Magic Realm. * Copyright (c) 2005-2015 Robin Warren * E-mail: robin@dewkid.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 { /** * Convert the first character to uppercase, and all remaining characters to lowercase. */ public static String capitalize(String string) { if (string != null && string.length() > 0) { if (string.length() == 1) { return string.toUpperCase(); } return string.substring(0, 1).toUpperCase() + string.substring(1).toLowerCase(); } return string; } }