How to reverse one-way linked list by Java
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First of all, this is an one-way linked list, unlike the LinkedList in Java, it is a two-way linked list. Each node in the linked list is concatenated by a next pointer, and there will be a linked table header and a chain list tail pointer hold to hold the entire linked list. The task of reversal is to change head-> a-> b-> c-> d-> c-> b-> a
