java sort int array

1import java. util. Arrays;
2Arrays. sort(array);

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        }

1// an array of ints
2int[] arr = {1, 2, 3, 4, 5, 6};
3
4// an array of reverse sorted ints
5int[] arrDesc = Arrays.stream(arr).boxed()
6    .sorted(Collections.reverseOrder())
7    .mapToInt(Integer::intValue)
8    .toArray();
9
10System.out.println(Arrays.toString(arrDesc)); // outputs [6, 5, 4, 3, 2, 1]