One of the most important application design decisions involves which data structure to use. Arrays and linked lists are among the most common data structures, and each is applicable in different ...

But how many developers understand how HashMap works internally? A few days ago, I read a lot of the source code for java.util.HashMap (Java 7 followed by Java 8) to gain a deeper understanding of ...

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 ...