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.
Read moreWhat are Java classes used for?
A class — in the context of Java — is a template used to create objects and to define object data types and methods . Classes are categories, and objects are items within each category.
Read moreWhat are the advantages of inner classes in Java?
The main advantages of a nested (inner) class are:
Read moreWhy are inner classes discouraged in Java?
Non-static inner classes can hide a performance problem . They do have access to member fields on the enclosing class, but not directly, but via getters which are created automatically. This will be slower then just copying the members of the enclosing class to the inner class.
Read moreWhat are the main disadvantages of using Java inner classes?
Q7)What are disadvantages of using inner classes?
Read moreWhy do we need inner class can’t we just work with outer classes wherever we implement inner classes?
Making Address and City as outer class exposes City to any of the Class . Making it an inner class of Address will make sure that its accessed using object of Address.
Read moreHow do inner classes work in Java?
Any non-static nested class is known as inner class in java. Java inner class is associated with the object of the class and they can access all the variables and methods of the outer class . Since inner classes are associated with the instance, we can’t have any static variables in them.
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