Question

Help in Java please:

This is not meant to be a program that compiles and runs. I only need program segments. DO NOT submit a complete Java file with documentation and other content. Write the statements (NOT an entire program) to:

Ask the user for the number of students in a classroom.

Validate the number of students to make sure it’s a positive value. NOTE: positive numbers are numbers greater than 0.

Define an array named stud that can hold age of students entered by the user.

Write the statements to assign the value 0 to all the elements of the array.

Write the statements to define a method that accepts as parameters the array of age of students and the number of students and have the method display the contents of the array.

Show how to call the method to perform its functionality.

Answer 1

public static void main(String[] args) {
       Scanner sc = new Scanner(System.in);
       System.out.println("Enter number of students in class room");
       int n = sc.nextInt();
       if (n < 0) {
           System.out.println("Number can't be negative");
           return;
       }
       int stud[] = new int[n];
       for (int i = 0; i < n; i++)
           stud[i] = 0;
       display(stud, n);

   }

   public static void display(int ages[], int n) {
       for (int i = 0; i < n; i++)
           System.out.println(ages[i]);
   }