Java Char Count countChar(char[] line, char target_char)

Description

count occurences of 'target_char' char

License

Apache License

Declaration

public final static int countChar(char[] line, char target_char) 

Method Source Code

//package com.java2s;
/*// w ww  .j  av a2s .  c o  m
 * Copyright (C) 2012 Robert Andersson <http://www.ernell.se>
 *
 * 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.
 */

public class Main {
    /** count occurences of 'target_char' char */
    public final static int countChar(char[] line, char target_char) {
        char c;
        int len = line.length;
        int count = 0;
        for (int i = 0; i < len; i++) {
            c = line[i];
            if (c == target_char)
                count++;
        }
        return count;
    }

    /** count occurences of 'target_char' char */
    public final static int countChar(String line, char target_char) {
        char c;
        int count = 0;
        int len = line.length();
        for (int i = 0; i < len; i++) {
            c = line.charAt(i);
            if (c == target_char)
                count++;
        }
        return count;
    }
}

Related

1. charCount(String str, char chr)
2. charCount(String str, char sub)
3. charCount(String subject, String needle)
4. charCountRight(String str, String sub)
5. countChar(char charIn, String stingIn)
6. countChar(CharSequence chars, char c)
7. countChar(final int[] locator, final char c)
8. countChar(final String aString, final char aChar)
9. countChar(final String host, final char charactor)