Here you can find the source of startsWith(String s, char begin)
public static boolean startsWith(String s, char begin)
//package com.java2s; /**// w ww.ja v a 2 s . c o m * Genji Scrum Tool and Issue Tracker * Copyright (C) 2015 Steinbeis GmbH & Co. KG Task Management Solutions * <a href="http://www.trackplus.com">Genji Scrum Tool</a> * * 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 boolean startsWith(String s, char begin) { return startsWith(s, Character.toString(begin)); } public static boolean startsWith(String s, String start) { if ((s == null) || (start == null)) { return false; } if (start.length() > s.length()) { return false; } String temp = s.substring(0, start.length()); return temp.equalsIgnoreCase(start); } }