Count char in java

CountChar java

public class CountChar {
    public static void main(String[] args) {
      
        System.out.println(count("book", 'k'));
        System.out.println(count("book", '0'));
        System.out.println(count("book", 'b'));
    }

    public static int count(String userInput, char character) {
        int n = 0;
        for (int i = 0; i < userInput.length(); i++) {
            if (userInput.charAt(i) == character) {
                n++;
            }
        }
        return n;
    }
}

Source: grepper.com

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