This method is used by hash-based Java collection classes, such as the java.util package’s HashMap, HashSet, and Hashtable classes to ensure that objects are properly stored and retrieved.

Using generics results in more robust code and avoids ClassCastExceptions in your Java programs. This in-depth tutorial introduces you to generics and their types and methods.

The Java Platform provides the most commonly used data structures in the form of the Collections Framework, and it provides a rich API to operate on them. This article explains the concepts behind ...

Learn how to use Java collections in this free PDF guide.

Learn about serialization in Java with our comprehensive tutorial. We provide examples to help you understand how serialization works and how to use it. Serialization is a fundamental concept in ...

The Java serialization tutorial. In this Java serialization example, we will use both the ObjectOutputStream and the ObjectInputStream to save and retrieve the state of a simple JavaBean. The POJO ...

Methods in Java tutorial. One more easy concept we can introduce in this Java tutorial is how to use methods. This will give you a bit more idea regarding the way that Java code is structured and ...

When multiple constructors are added to a class, it is known as constructor overloading, and it follows the same rules as method overloading in Java. Java constructors tutorial. Constructors in Java ...