Here you can find the source of countChars(String string, int character)
| Parameter | Description |
|---|---|
| string | string in question |
| character | character to count |
public static int countChars(String string, int character)
//package com.java2s; /*/*from w ww . j av a 2s .c om*/ * Copyright (c) 2012-2015, Microsoft Mobile * * 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 { /** * Count number of times specified character appears in string. * * @param string * string in question * @param character * character to count * @return count of occurrences of character in string */ public static int countChars(String string, int character) { int count = 0; int currIndex = 0; while (true) { currIndex = string.indexOf(character, currIndex); if (currIndex == -1) break; ++currIndex; // Start next search from next character ++count; } return count; } }