Here you can find the source of decapitalize(String name)
public static String decapitalize(String name)
//package com.java2s; /*/*w ww . j a v a 2s .c o m*/ * Copyright 1999-2101 Alibaba Group. * * 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 decapitalize(String name) { if (name == null || name.length() == 0) { return name; } if (name.length() > 1 && Character.isUpperCase(name.charAt(1)) && Character.isUpperCase(name.charAt(0))) { return name; } char chars[] = name.toCharArray(); chars[0] = Character.toLowerCase(chars[0]); return new String(chars); } }