how to add input to array in java

/**
 * @author lautturi.com
 * Java example: take user input in array using java
 */

import java.util.*;

public class Lautturi {

	public static void main(String[] args) {
        
		Scanner sc = new Scanner(System.in);

        System.out.println ("how many numbers?");
        int length = sc.nextInt();
        int numbers[] = new int[length];

        for (int i = 0; i < length; i++) {
            System.out.println ("Enter number" + i + ":");
            numbers[i] = sc.nextInt();
        }

        System.out.println("Numbers:");
        for (int num : numbers){
            System.out.print (num + "\t");
        }

        input.close();

	}
}