Asending array

package basicdata1;

import java.util.Scanner;


public class AsendeningOrder {
    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        int[] num = new int[30];
        int n,temp;
        System.out.print("Enter how many you want to insert: ");
        n = input.nextInt();
        System.out.println("Please enter "+n+" your number : ");
        for (int i = 0; i < n; i++) {
            num[i] = input.nextInt();

        }
        for (int j = 0; j < n; j++) {
            for (int k = j+1; k < n; k++)
            {
              if(num[j]> num[k])
              {
                 temp = num[j];
                 num[j] = num[k];
                 num[k] = temp;
              }
            }

        }
        System.out.println("The numbers arranged in ascending order are given below");
        for (int j = 0; j < n; j++) {
            System.out.println(num[j]);
        }

    }

}