Bubble sort on linked list in c#

Bubble sort in linked list

Csharp program for Bubble sort on linked list.

// Include namespace system
using System; 
// C# program for
// Bubble Sort For Linked List
public class Node
{
    public int data;
    public Node next;
    public Node(int data)
    {
        this.data = data;
        this.next = null;
    }
}
public class LinkedList
{
    public Node head;
    // Class constructors
    public LinkedList()
    {
        this.head = null;
    }
    // Add node at the beginning of linked list
    public void insert(int value)
    {
        // Create a new node
        var node = new Node(value);
        // Add node at front
        node.next = this.head;
        // Make new head
        this.head = node;
    }
    // Display all elements
    public void display()
    {
        if (this.head != null)
        {
            var temp = this.head;
            while (temp != null)
            {
                // Display node value
                Console.Write("  " + temp.data);
                // Visit to next node
                temp = temp.next;
            }
        }
        else
        {
            Console.WriteLine("Empty Linked list");
        }
    }
    // Perform bubble sort in single linked list
    public void bubbleSort()
    {
        if (this.head != null)
        {
            Node current = null;
            var status = false;
            do {
                // Start with first node
                current = this.head;
                // Reset working status
                status = false;
                while (current != null && current.next != null)
                {
                    if (current.data > current.next.data)
                    {
                        // Swap node values
                        current.data = current.data + current.next.data;
                        current.next.data = current.data - current.next.data;
                        current.data = current.data - current.next.data;
                        // When node value change
                        status = true;
                    }
                    // Visit to next node
                    current = current.next;
                }
            } while (status);
        }
        else
        {
            Console.WriteLine("Empty Linked list");
        }
    }
    public static void Main(String[] args)
    {
        var task = new LinkedList();
        // Insert element of linked list
        task.insert(15);
        task.insert(5);
        task.insert(42);
        task.insert(9);
        task.insert(50);
        task.insert(7);
        Console.Write(" Before sort : ");
        // Display all node
        task.display();
        task.bubbleSort();
        Console.Write("\n After sort  : ");
        task.display();
    }
}

Output

 Before sort :   7  50  9  42  5  15
 After sort  :   5  7  9  15  42  50



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