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 ...

The first line of input contains an integer T denoting the number of test cases. Then T test cases follow, the first line of each test case contains an integer N denoting the size of the first linked ...