While singly-linked lists have many uses, they also present some restrictions. For one thing, singly-linked lists restrict node traversal to a single direction: you can’t traverse a singly-linked list ...

In this example, Employee is a self-referential class because its next field has type Employee. This field is an example of a link field because it can store a reference to another object of its class ...

One of the first problems I ever encountered as a beginning programmer was this: "How can I store an undefinable, ever changing number of objects that I must create and destroy at unknown moments ...