Here you can find the source of toCamelCase(String inputString)
public static String toCamelCase(String inputString)
//package com.java2s; /**/*from ww w. jav a 2s . co m*/ * Copyright (c) 2009 Dumontierlab * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ public class Main { public static String toCamelCase(String inputString) { if (inputString.length() == 0) { return inputString; } String[] parts = inputString.split("\\s"); StringBuilder buffer = new StringBuilder(); for (String part : parts) { if (parts.length > 0) { buffer.append(Character.toUpperCase(part.charAt(0))); if (part.length() > 1) { buffer.append(part.substring(1).toLowerCase()); } } } return buffer.toString(); } }