Inner classes are a security mechanism in Java . We know a class cannot be associated with the access modifier private, but if we have the class as a member of other class, then the inner class can be made private. And this is also used to access the private members of a class.8 Oca 2018
Read moreIs it a good practice to use inner classes?
Nested Class can be used whenever you want to create more than once instance of the class or whenever you want to make that type more available . Nested Class increases the encapsulations as well as it will lead to more readable and maintainable code.
Read moreWhy are Java inner classes bad?
Now you are clear that inner classes keep reference to outer class .So image scenario where you pass reference of inner class to other outer world class and then reference never gets released to in turn OuterClass is also referenced , hence leak. So this makes using inner classes bad if not used prpperly.
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.
Read moreWhat is inner class and outer class in Java?
Nested Classes In Java, just like methods, variables of a class too can have another class as its member. Writing a class within another is allowed in Java. The class written within is called the nested class, and the class that holds the inner class is called the outer class .
Read moreWhat is the difference between an inner class and a 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.
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