This is the program which show error that program is right that will post by fault.

Question

https://code.sololearn.com/cQ3g46Kt84Y7/?ref=app

Answer 1

Your program doesn't now what is Scanner. It is located at an external component and you should indicate a place where this class can be found.

import java.util.Scanner

Answer 2

There are 2 ways of solving your problem.

1. Add import java.util.*; at the top of the code.

2.Change Scanner sc=new Scanner(System.in); to var sc = new java.util.Scanner(System.in);