Java Char Count countChar(final String aString, final char aChar)

Description

count Char

License

Open Source License

Parameter

Parameter	Description
aString	a parameter
aChar	a parameter

Return

the number of the searched char int the string

Declaration

public static int countChar(final String aString, final char aChar) 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Copyright (c) 2011 www.isandlatech.com (www.isandlatech.com)
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors://from  w w  w .j a  va  2  s.  co m
 *    ogattaz (isandlaTech) - initial API and implementation
 *******************************************************************************/

public class Main {
    /**
     * 
     * @param aString
     * @param aChar
     * @return the number of the searched char int the string
     */
    public static int countChar(final String aString, final char aChar) {

        if (aString == null) {
            return -1;
        }

        int wCount = 0;
        int wMax = aString.length();
        int wI = 0;
        while (wI < wMax) {
            if (aString.charAt(wI) == aChar) {
                wCount++;
            }
            wI++;
        }
        return wCount;
    }
}

Related

1. charCountRight(String str, String sub)
2. countChar(char charIn, String stingIn)
3. countChar(char[] line, char target_char)
4. countChar(CharSequence chars, char c)
5. countChar(final int[] locator, final char c)
6. countChar(final String host, final char charactor)
7. countChar(int start_index, int end_index, StringBuffer txt, char c)
8. countChar(String a_text, char a_character)
9. countCharacter(final String sourceString, final char lookFor)