Method of adding and deleting bidirectional linked list in Java

Java to achieve the addition and deletion function of two-way linked list, complete code

1. To construct a node node, two pointers are required, one to store the position of the next element in the forward direction and the other to store the position of the next element in the reverse direction

Parameter Description:

Name: used to store node's own information

Nextnode: used to store forward pointers

Nextnodef: used to store reverse pointers

2. Create nodes and set pointer connection nodes

Forward pointer: points to the next node

Reverse node: points to the previous node

3. Loop through the linked list and output

4. Add node

5. Delete node

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