Codings_qs-and-dsa-basics/Linkedlist.java at main · P-Bhuvanesh/Codings_qs-and-dsa-basics · GitHub

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class Node{
    int data;
    Node next;

    Node(int data){
        this.data = data;
        this.next = null;
    }
}


class Main{

    Node head;

    void append(int data)
    {
        Node nn = new Node(data);
        if(head == null)
        {
            head = nn;
            return;
        }
        Node temp = head;
        while(temp.next != null) temp = temp.next;
        temp.next = nn;
    }

    void display()
    {
        Node temp = head;
        while(temp != null)
        {
            System.out.print(temp.data+" ");
            temp = temp.next;
        }
        System.out.println();
    }

    public static void main(String args[])
    {
        Main list = new Main();
        Main list2 = new Main();
        list2.append(100);
        list.append(10);
        list.append(20);
        list.append(30);
        list.append(40);
        list.display();
        list2.display();
    }
}