One of the features that make Java so powerful, is its object-oriented structure. This means that Java uses classes and objects to create more scalable, modular, and organized code.

Abstract classes and interfaces in Java serve fundamentally different purposes. Learn the differences between these Java language elements and how to use them in your programs.

Although restrictive, the whitelist approach tends to be safer, as only the objects belonging to a pre-approved set of classes will be deserialized by the application, preventing any surprises.