Count the number of occurrences of character c in a string. : String char « Data Type « Java






  1. Java
  2. Data Type
  3. String char

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

    

/**
 * This software is provided as IS by Antilia-Soft SL.
 * Copyright 2006-2007.
 */
//package com.antilia.common.util;

public class StringUtils {
    
  /**
   * counts the number of occurrences of character c in a string.
   * 
   * @param str
   * @param c
   * @return int
   */
  public static int countChar(String str, char c) {
    int start = -1;
    int count = 0;
    while (true) {
      if ((start = str.indexOf(c, start + 1)) == -1)
        return (count);
      count++;
    }
  }
}








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