JAVA VALIDATION QUESTION

Modify the below JAVA code to ensure a user can only enter an integer.

public class Test {

public static void main(String[] args) { Scanner in = new Scanner(System.in); System.out.print("Enter the amount of subjects that you are studying: "); int amount_of_subjects; amount_of_subjects = in.nextInt();

System.out.println(amount_of_subjects);

}

}