Linked List Remove Duplicate Nodes

LinkedListRemoveDuplicates.java

public class LinkedList<T> {
    
    // Reference to the head node
    Node head;
    
    public void removeDuplicates(){
        
        // check if list empty
        if(head == null) return;
        
        // chech if single node
        if(head.next == null) return;
        
        // get head reference
        Node tmp = head;
        
        // iterate list
        while(tmp.next != null){
            
            if(tmp.data == tmp.next.data){
                
                // if duplicate remove and check with next
                tmp.next = tmp.next.next;
            } else {
                
                // or go to next node
                tmp = tmp.next;
            }
        }
    }
    
    ...