Java String Char Count countChars(String string, char c)

Description

Count the number of occurrences of the character in the string.

License

Open Source License

Declaration

public static final int countChars(String string, char c) 

Method Source Code

//package com.java2s;
/*// w  w w.  j  a v a  2s  .  c  om
  Copyright 2009 Semantic Discovery, Inc. (www.semanticdiscovery.com)
    
  This file is part of the Semantic Discovery Toolkit.
    
  The Semantic Discovery Toolkit is free software: you can redistribute it and/or modify
  it under the terms of the GNU Lesser General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.
    
  The Semantic Discovery Toolkit is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU Lesser General Public License for more details.
    
  You should have received a copy of the GNU Lesser General Public License
  along with The Semantic Discovery Toolkit.  If not, see <http://www.gnu.org/licenses/>.
  */

public class Main {
    /**
       * Count the number of occurrences of the character in the string.
       */
    public static final int countChars(String string, char c) {
        int result = 0;

        int ppos = string.indexOf(c);
        while (ppos >= 0) {
            ++result;
            ppos = string.indexOf(c, ppos + 1);
        }

        return result;
    }
}

Related

1. countChars(String s, boolean countDigits, boolean countLetters, boolean countOthers)
2. countChars(String s, char c)
3. countChars(String s, char c)
4. countChars(String s, char c)
5. countChars(String s, String charset)
6. countChars(String string, int character)
7. countChars(String text, char ch, int from, int to)
8. countCharsInString(final String stringToCountOccurrancesIn, final char characterToCount)