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The while loop first check if current node next is not null, it traverse the current node to the second node and when current node next become null, current node point to the last node!
Insert a Node at the Tail of a Linked List
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what does this do?
while (node.next != null){ node = node.next; }
and why is it needed?
The while loop first check if current node next is not null, it traverse the current node to the second node and when current node next become null, current node point to the last node!