LinkedList
An implementation of a double-linked list in Java. See source for docs.
Tested on Java 18
java 18.0.1.1 2022-04-22
Java(TM) SE Runtime Environment (build 18.0.1.1+2-6)
Java HotSpot(TM) 64-Bit Server VM (build 18.0.1.1+2-6, mixed mode, sharing)
Reference
This is a reference for the process of inserting new nodes into the list:
Either a new LinkedList.Node object is created or it's provided by the caller.
flowchart LR
Z[New Node]
A[Item 1] <--> B[Item 2]
B <--> C[Item 3]
The new node is linked to the next node in the list. The next node's previous reference is updated to the new node.
flowchart LR
A[Item 1] <--> B[Item 2]
Z[New Node] <--> C[Item 3]
The next field of the pevious node is updated with a reference to the new node. The previous reference of the new node is updated with a reference to the previous node.
flowchart LR
A[Item 1] <--> B[Item 2]
B <--> C[New Node]
C <--> D[Item 3]
Usage
Import the LinkedList.java class to use it. Run the Tester.java class to run tests.