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Basic linked list stack overflow java update#

To achieve stack like behaviour, you always add new elements to the head of the list (push) and only allow the first element to be removed from the list (pop).

The element to delete is the head node – We must make head. A linked list is an easy structure for implementing a stack.

The circular linked list has only one element, and we want to remove the element – In this case, we just need to set the head node and tail node to null.

However, there are some special cases we need to think about: The main advantage of using a linked list over arrays is that it is possible to implement a stack that can shrink or grow as much as needed.

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Basic linked list stack overflow java update#

Generally speaking, after we delete an element, we need to update the nextNode reference of the previous node to point to the nextNode reference of the node that has been deleted. Thanks for contributing an answer to Stack Overflow Please be sure to answer the question. Next, we'll look at the delete operation.