Java String Char Count countChar(String s, char c)

Description

Count the number of occurrence of the given chararcter in the given string

License

LGPL

Parameter

Parameter	Description
s	a parameter
c	a parameter

Return

the number of char c in string s

Declaration

public static int countChar(String s, char c) 

Method Source Code

//package com.java2s;
/**// w  w w. j a  v a2 s.c  o  m
 *  Copyright (C) 2008-2014  Telosys project org. ( http://www.telosys.org/ )
 *
 *  Licensed under the GNU LESSER GENERAL PUBLIC LICENSE, Version 3.0 (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.gnu.org/licenses/lgpl.html
 *
 *  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 {
    /**
     * Count the number of occurrence of the given chararcter in the given string
     * @param s
     * @param c
     * @return the number of char c in string s 
     */
    public static int countChar(String s, char c) {
        int count = 0;
        if (s != null) {
            int i = s.indexOf(c);
            while (i >= 0) {
                count++;
                i = s.indexOf(c, i + 1);
            }
        }
        return count;
    }
}

Related

1. countChar(String s, char c)
2. countChar(String s, char c)
3. countChar(String sql, int end)
4. countChar(String src, char c)
5. countChar(String str, char c)