Here you can find the source of capitalize(String string)
public static String capitalize(String string)
//package com.java2s; /*/*from w ww . j av a 2 s .c o m*/ * Copyright 2010 Chad Retz * * Licensed under the Apache License, Version 2.0 (the "License"); you may not * use this file except in compliance with the License. You may obtain a copy of * the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations under * the License. */ public class Main { public static String capitalize(String string) { char begin = Character.toUpperCase(string.charAt(0)); if (string.length() == 1) { return Character.toString(begin); } else { return begin + string.substring(1); } } }