Whats wrong in this Code?

Question

public class Main{

public static void main(String[]args){

System.out.println("Number");
    int num1 = 1;
    int num2 = 2;
    int num3 = 3;
    Ans = num1 + num2 + num3;
    System.out.println(Ans);
}
}

Answer 1

Define the type of Ans. Add int before the variable name.

Answer 2

Thank you