What is Inner class in Java?

Understanding Inner Classes in Java

In Java, an inner class is a class that is nested within another class. This powerful feature allows for a logical grouping of classes that are only used within the context of the outer class, promoting better encapsulation and code organization. Java supports several types of inner classes:

Member Inner Class: Defined inside another class and has access to all its members, including private ones.

Static Nested Class: A static inner class that can access only the static members of the outer class.

Local Inner Class: Declared within a method or block and has access to final or effectively final local variables.

Anonymous Inner Class: An unnamed class used for quick, one-off implementations, typically for interfaces or abstract classes.

Inner classes enhance code maintainability, allowing developers to create more readable and modular code structures by tightly coupling the inner class functionality with its enclosing class.

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