Can we use some other var than "myVar".

Question

import java.util.Scanner;

class MyClass {
public static void main(String[ ] args) {
Scanner myVar = new Scanner(System.in);
System.out.println("Hi " + myVar.nextLine() + "! This is my first Java program!!!");
}
}

Answer 1

Yes.
Provided you replace myVar at all points in the program with a permissible Identifier that you want

Answer 2

well yes