sorting array in descending order java

1Integer[] cubes = new Integer[] { 8, 27, 64, 125, 256 };
2Arrays.sort(cubes, Collections.reverseOrder());
3
4Read more: https://www.java67.com/2016/07/how-to-sort-array-in-descending-order-in-java.html#ixzz6MX60xZLb

1int countOfArray = 5;
2int num [] =  new int[counfOfArray];
3
4int num[] = [8 , 5 , 9 , 3 , 4];
5
6for (int i = 0; i < countOfArray; i++) 
7        {
8            for (int j = i + 1; j < countOfArray; j++) { 
9                if (num[i] > num[j]) 
10                {
11                    temp = num[i];
12                    num[i] = num[j];
13                    num[j] = temp;
14                }
15            }
16        }

1Arrays.sort();//this method is an inbuild function in java
2//to sort the array

1import java.util.Scanner;
2public class JavaExample 
3{
4    public static void main(String[] args) 
5    {
6    	int count, temp;
7    	
8    	//User inputs the array size
9        Scanner scan = new Scanner(System.in);
10        System.out.print("Enter number of elements you want in the array: ");
11        count = scan.nextInt();
12    
13        int num[] = new int[count];
14        System.out.println("Enter array elements:");
15        for (int i = 0; i < count; i++) 
16        {
17            num[i] = scan.nextInt();
18        }
19        scan.close();
20        for (int i = 0; i < count; i++) 
21        {
22            for (int j = i + 1; j < count; j++) { 
23                if (num[i] > num[j]) 
24                {
25                    temp = num[i];
26                    num[i] = num[j];
27                    num[j] = temp;
28                }
29            }
30        }
31        System.out.print("Array Elements in Ascending Order: ");
32        for (int i = 0; i < count - 1; i++) 
33        {
34            System.out.print(num[i] + ", ");
35        }
36        System.out.print(num[count - 1]);
37    }
38}

1// A sample Java program to sort a subarray 
2// in descending order using Arrays.sort(). 
3import java.util.Arrays; 
4import java.util.Collections; 
5  
6public class SortExample 
7{ 
8    public static void main(String[] args) 
9    { 
10        // Note that we have Integer here instead of 
11        // int[] as Collections.reverseOrder doesn't 
12        // work for primitive types. 
13        Integer[] arr = {13, 7, 6, 45, 21, 9, 2, 100}; 
14  
15        // Sorts arr[] in descending order 
16        Arrays.sort(arr, Collections.reverseOrder()); 
17  
18        System.out.printf("Modified arr[] : %s", 
19                          Arrays.toString(arr)); 
20    } 
21}