Java Char Count charCount(String str, char chr)

Description

char Count

License

Apache License

Declaration

public static int charCount(String str, char chr) 

Method Source Code

//package com.java2s;
/**/*from w  ww.  j  a  v  a 2s  . com*/
  * 
  * Copyright 2008 - 2012
  * 
  * 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.
  * 
  * @project loon
  * @author cping
  * @email?javachenpeng@yahoo.com
  * @version 0.3.3
  */

public class Main {

    public static int charCount(String str, char chr) {
        int count = 0;
        if (str != null) {
            int length = str.length();
            for (int i = 0; i < length; i++) {
                if (str.charAt(i) == chr) {
                    count++;
                }
            }
            return count;
        }
        return count;
    }
}

Related

1. charCount(final String s, final char c)
2. charCount(int codePoint)
3. charCount(String s, char c)
4. charCount(String source, char target)
5. charCount(String str, char c, boolean countEscaped)
6. charCount(String str, char sub)
7. charCount(String subject, String needle)
8. charCountRight(String str, String sub)
9. countChar(char charIn, String stingIn)