Here you can find the source of capitalizeFirst(CharSequence str)
Parameter | Description |
---|---|
str | the character sequence |
public static String capitalizeFirst(CharSequence str)
//package com.java2s; /*/*from w w w . jav a 2 s . com*/ * * Copyright (c) 2014 by Malte Isberner (https://github.com/misberner). * * 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 { /** * Capitalizes the first character (if existent) in the given character sequence, * and returns the result. * @param str the character sequence * @return a capitalized version of the specified character sequence */ public static String capitalizeFirst(CharSequence str) { if (str.length() == 0) { return ""; } StringBuilder sb = new StringBuilder(str.length()); sb.append(str.charAt(0)); sb.append(str.subSequence(1, str.length())); return sb.toString(); } }