Roster

package student.roster;

import java.util.Scanner;

public class StudentRoster {

    public static void main(String[] args) {
        String[] names;
        int[] indexes;
        Scanner input = new Scanner(System.in);
        System.out.println("Enter number of students: ");
        int num = input.nextInt();
        names = new String[num];
        indexes = new int[num];

        int i = 0;
        do {
            System.out.println("Enter name: ");
            String name = input.nextLine();
            names[i] = name;
            indexes[i] = i;
            i += 1;
        } while (i < names.length);

        for(int j = 0; j < num; j++){
            System.out.println(names[j]);
        }

        System.out.println("Countdown");


        int y = indexes.length;
        while(y > 0){
            y -= 1;
            System.out.println(indexes[y]+"\n");
        }
    }

}