Find first and last occurrence of the letter ‘s’ in samosa with index number

public class Main { 

 public static void main(String[] args) { 

     String str = "samosa"; 

     int firstIndex = str.indexOf('s'); 

     int lastIndex = str.lastIndexOf('s'); 

    System.out.println("First occurrence of 's' in " + str + " is at index " + firstIndex); 

    System.out.println("Last occurrence of 's' in " + str + " is at index " + lastIndex); 

     } 

}