Method displayArr

Lecture 42 Quick Sort/src/Main.java:2–6

(int[] arr)

public class Main {
    static void displayArr(int[] arr){
        for(int val : arr){
            System.out.print(val + " ");
        }
    }
    static void swap(int[] arr, int x, int y){
        int temp = arr[x];
        arr[x] = arr[y];