Jul 26, 2023 · In Java, it is possible to define a class within another class, such classes are known as nested classes. They enable you to logically group classes that are only used in one place, thus this increases the use of encapsulation and creates more readable and maintainable code.

In this tutorial, you will learn about the nested class in Java and its types with the help of examples. You can define a class within another class. Such class is known as nested class.

The purpose of nested classes is to group classes that belong together, which makes your code more readable and maintainable. To access the inner class, create an object of the outer class, and then create an object of the inner class:

Such a class is called a nested class and is illustrated here: ... class NestedClass { ... Terminology: Nested classes are divided into two categories: non-static and static. Non-static nested classes are called inner classes. Nested classes that are declared static are called static nested classes. ... class InnerClass { ...

Nested classes in Java are classes defined within another class. They can be a powerful tool for structuring your code, enhancing encapsulation, and improving readability. This tutorial will deep dive into the different types of nested classes, their usage, and when to use them effectively.

Mar 26, 2025 · This resource offers a total of 50 Java Nested Classes problems for practice. It includes 10 main exercises, each accompanied by solutions, detailed explanations, and four related problems. [ An Editor is available at the bottom of …

Nested classes in Java are classes defined within another class. They are used to logically group classes that are only used in one place, increase encapsulation, and can lead to more readable and maintainable code.

Jul 7, 2014 · In this example, we are going to explain what inner or nested class is in Java. We are going to present the different categories of nested classes and their sub-types, as well as ways to use them in your program.

Aug 25, 2019 · Have you ever heard something like nested classes, inner classes, anonymous classes…? This tutorial gives you the concepts of nested classes in the Java programming language along with code examples. And we focus on explaining the concepts of static nested classes and inner classes.

Mar 26, 2020 · What is Java Nested Classes? In Java, we can create a class inside a class and this concept is referred to as nested classes. The class within which a new class is written is called the outer class and the one written within is called nested class. Syntax: The basic syntax of writing a nested class is given below: