CountS.java

import java.util.Scanner;

public class CountS{
    public static void main(String[] args){
        Scanner kb = new Scanner(System.in);
        System.out.print("Enter a word: ");
        String word = kb.next();

        int sCount = 0;
        for(int i = 0; i < word.length(); i++){
            String letter = word.substring(i,i+1);
            if( letter.equals("s") ) sCount++;
        }
        System.out.print("There are " + sCount + " s's");
    }
}