Ascending Order
  
 Source Code
  

    
// Contributed by - Anuj Das ( GC College, Silchar - @ Department of Computer Science )
import java.util.Scanner;

class AscendingOrder {

	public static void display(int arr[ ], int size) {
		for(int i=0; i < size; i++) {
			System.out.print(arr[i]+"  ");
		}
		System.out.println("");
	}


	public static void main(String[ ] args) {
		Scanner sc = new Scanner(System.in);
		System.out.print("Enter the size of the Array:  ");
		int size = sc.nextInt();
		int [ ]arr = new int[size];
		System.out.println("Enter "+size+" Elements:");
		for(int i=0; i < size; i++) {
			arr[i] = sc.nextInt();
		}
		System.out.println("");
		display(arr,size);

	// Sorting in Ascending Order! 
		for(int i=0; i < size-1; i++) {
			for(int x=0; x < size-1-i; x++) {
				if(arr[x] > arr[x+1]) {
				int temp = arr[x];
				arr[x] = arr[x+1];
				arr[x+1] = temp;
			}
			}
		}

		display(arr,size);
	}
}
    

cmd->  javac  AscendingOrder.java
cmd->  java  AscendingOrder

Enter the size of the Array:  5
Enter 5 Elements:
45
10
20
12
11

45  10  20  12  11
10  11  12  20  45

    
Descending Order
  
 Source Code
  

    
// Contributed by - Anuj Das ( GC College, Silchar - @ Department of Computer Science )
import java.util.Scanner;

class DescendingOrder {
	
	public static void display(int arr[ ], int size) {
		for(int i=0; i < size; i++) {
			System.out.print(arr[i]+"  ");
		}
		System.out.println("");
	}


	public static void main(String[ ] args) {
		Scanner sc = new Scanner(System.in);
		System.out.print("Enter the size of the Array:  ");
		int size = sc.nextInt();
		int [ ]arr = new int[size];
		System.out.println("Enter "+size+" Elements:");
		for(int i=0; i < size; i++) {
			arr[i] = sc.nextInt();
		}
		System.out.println("");
		display(arr,size);

	// Sorting in Descending Order! 
		for(int i=0; i < size-1; i++) {
			for(int x=0; x < size-1-i; x++) {
				if(arr[x] < arr[x+1]) {
				int temp = arr[x];
				arr[x] = arr[x+1];
				arr[x+1] = temp;
			}
			}
		}

		display(arr,size);
	}
}
    

cmd->  javac  DescendingOrder.java
cmd->  java  DescendingOrder

Enter the size of the Array:  6
Enter 6 Elements:
45
12
10
15
35
24

45  12  10  15  35  24
45  35  24  15  12  10