When to Use Nested Classes, Local Classes, Anonymous Classes, and Lambda Expressions. As mentioned in the section Nested Classes, nested classes enable you to logically group classes that are only used in one place, increase the use of encapsulation, and create more readable and maintainable code .
Read moreWhat is the difference between inner class and subclass?
inner classes are in the same file, whereas subclasses can be in another file, maybe in another package . You cannot get an instance of an inner class without an instance of the class that contains it.
Read moreWhere are inner classes used?
Here are some uses of inner classes.
Read moreWhat is the difference between inner class and nested class?
In Java programming, nested and inner classes often go hand in hand. A class that is defined within another class is called a nested class. An inner class, on the other hand, is a non-static type, a particular specimen of a nested class.
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