Here you can find the source of uncapitalize(String str)
public static String uncapitalize(String str)
//package com.java2s; /**//ww w . ja v a 2 s. c o m * Copyright 2006-2015 the original author or authors. * * 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 uncapitalize(String str) { int strLen; return str != null && (strLen = str.length()) != 0 ? (new StringBuffer(strLen)) .append(Character.toLowerCase(str.charAt(0))).append(str.substring(1)).toString() : str; } }