count characters in string java - Wikitechy https://www.wikitechy.com/interview-questions/tag/count-characters-in-string-java/ Interview Questions Sat, 11 Sep 2021 11:04:58 +0000 en-US hourly 1 https://wordpress.org/?v=6.9.4 https://www.wikitechy.com/interview-questions/wp-content/uploads/2025/10/cropped-wikitechy-icon-32x32.png count characters in string java - Wikitechy https://www.wikitechy.com/interview-questions/tag/count-characters-in-string-java/ 32 32 How to count number of characters in a string ? https://www.wikitechy.com/interview-questions/java/how-to-count-number-of-characters-in-a-string/ https://www.wikitechy.com/interview-questions/java/how-to-count-number-of-characters-in-a-string/#respond Tue, 13 Jul 2021 23:34:34 +0000 https://www.wikitechy.com/interview-questions/?p=641

How to count number of characters in a string ?

  • To count the amount of ‘x’ characters that are in a string, and print out the number using java program.
class Wikitechy
{ 
    // Method that return count of the given 
    // character in the string 
    public static int count(String s, char c) 
    { 
        int res = 0; 
  
        for (int i=0; i<s.length(); i++) 
        { 
            // checking character in string 
            if (s.charAt(i) == c) 
            res++; 
        }  
        return res; 
    } 
      
    // Driver method 
    public static void main(String args[]) 
    { 
        String str= "Welcome to Wikitechy"; 
        char c = 'W'; 
        System.out.println(count(str, c)); 
    } 
}

Output

2

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