Nested classes are classes that are declared as members of other classes or scopes. Nesting classes is one way to better organize your code. For example, say you have a non-nested class (also known as ...

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 Java ...

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. Abstract classes and ...

Community driven content discussing all aspects of software development from DevOps to design patterns. The Java Scanner class is a simple, versatile, easy-to-use class that makes user input in Java ...

The release of Java SE 15 in Sept 2020 will introduce "sealed classes" (JEP 360) as a preview feature. A sealed class is a class or interface which restricts which other classes or interfaces may ...