Program to demonstrate array of objects, take user input, display elements of array

Array_student.java

// Program to demonstrate array of objects in Java - 
package array;
import java.util.Scanner; // For taking user input
class Student {
	private	int rno, marks;
	private String name;
	// Function for getting data from user input -
	public void getData() {
		Scanner sc = new Scanner(System.in);
		System.out.println("Enter roll no: ");
		rno = sc.nextInt(); // To take int input from user, use nextInt()
		System.out.println("Enter name: ");
		name = sc.next(); // To take string input from user, use next()
		System.out.println("Enter marks: ");
		marks = sc.nextInt();
	}
	// Function to display data taken from user -
	public void displayData() {
		System.out.println("Roll No.: " + rno);
		System.out.println("Name: " + name);
		System.out.println("Marks: " + marks);
	}
}

public class Array {
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner sc = new Scanner(System.in);
		int studNum;
		System.out.println("Enter number of students: ");
		studNum = sc.nextInt();
		// Creating an array of objects - 
		Student[] stud = new Student[10];
		int i;
		for (i = 0; i < studNum; i++) {
			stud[i] = new Student(); // allocation of memory
		}
		for (i = 0; i < studNum; i++) {
			stud[i].getData(); // Getting data
		}
		for (i = 0; i < studNum; i++) {
			stud[i].displayData(); // Displaying data
		}
	}
}