What Will Be The Output Of The Following Java Codep Pre #564

 public class Main { String s; Main(String a) { s = a; } public static void main(String[] args) { Main a = new Main("NVAEducation"); Main b = a; System.out.println(a.s.indexOf('n')); System.out.println(b.s.indexOf('n', 3)); } }

3 7

3 3

2 2

2 6