Here you can find the source of capitalizeFirstLetter(String str)
Parameter | Description |
---|---|
str | the string to capitalize |
public static String capitalizeFirstLetter(String str)
//package com.java2s; /*//ww w.j a va 2 s . co m * Copyright (c) 2008 Kasper Nielsen. * * 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 { /** * Returns a new string where the first letter of the specified string is capitalized. * * @param str * the string to capitalize * @return the string to capitalize */ public static String capitalizeFirstLetter(String str) { if (str.length() > 0) { return replaceCharAt(str, 0, Character.toUpperCase(str.charAt(0))); } return str; } public static String replaceCharAt(String s, int pos, char c) { return s.substring(0, pos) + c + s.substring(pos + 1); } }