Here you can find the source of capitalize(String text)
public static final String capitalize(String text)
//package com.java2s; /******************************************************************************* * Copyright 2012 Pearson Education/*from w w w . j a v a 2 s .c om*/ * * 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 final String capitalize(String text) { char first = text.charAt(0); if (Character.isUpperCase(first)) { return text; } first = Character.toUpperCase(first); StringBuilder builder = new StringBuilder(); builder.append(first); builder.append(text.substring(1)); return builder.toString(); } }