Swap elements in LinkedList

Question

I want to maintain order of the elements being added in a list. So, I used a LinkedList in Java.

Now I want to be able to swap two elements in the linke

Answer 1

 // I tried to reduce time complexity here, in 3 while loops (get() and set() use 4 while loop)
   void swapAt(int index1, int index2){ // swapping at index
        Node tmp = head;
        int count=0;
        int min, max;   // for future reference to reduce time complexity
        if(index1