BubbleSort (DoWhile loop)

import java.util.Arrays;
import java.util.Scanner;

public class BubbleSort {
    public static void BubbleSort(int[] ARR){
        int j, Buff;
        boolean swap;

        do{
           swap = false;
           for (j = 0; j < ARR.length - 1; j++) {
                if(ARR[j] > ARR[j + 1]){
                    swap = true;
                    Buff = ARR[j];
                    ARR[j] = ARR[j + 1];
                    ARR[j + 1] = Buff;
                }
            }
        }while(swap);
    }

    public static void main(String[] args) {
        //point 1
        Scanner scan = new Scanner(System.in);
        System.out.println("Input number of elements: ");
        int n = scan.nextInt();

        //point 2
        int[] ARR = new int[n];

        //point 3
        for (int i = 0; i < n ; i++) {
            System.out.printf("Please input element [%d]", i);
            ARR[i] = scan.nextInt();
        }

        //point 4
        System.out.println("BEFORE SORTING: ");
        System.out.println(Arrays.toString(ARR));

        //point 5
        BubbleSort(ARR);

        //point 6
        System.out.println("AFTER SORTING: ");
        System.out.println(Arrays.toString(ARR));

    }
}