Question

How to count characters in a string in Java

Answer 1

package javaapplication1;

public class Example {
    public static void main(String[] args) {
             
        String s = "Java programming";
        int count = 0;
        char countChar = 'a';
       
        for (int i = 0; i < s.length(); i++) {
            if (s.charAt(i) != countChar)
                continue;
            count++;
        }
        System.out.println("There are " + count + " '" + countChar + "' characters") ;
    }
}


/*
run:
 
There are 3 'a' characters
 
*/

 

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