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. inner classes have the methods they want, whereas subclasses have the methods of their parent class.
Read moreWhy inner classes are avoided in Python?
If an object is created using child class means inner class then the object can also be used by parent class or root class. A parent class can have one or more inner class but generally inner classes are avoided. We can make our code even more object oriented by using inner class.
Read moreCan we declare inner class as protected?
We can declare the inner classes as private or protected , but it is not allowed in outer classes.
Read moreWhat is the purpose of inner class in Java?
Java inner class or nested class is a class that is declared inside the class or interface. We use inner classes to logically group classes and interfaces in one place to be more readable and maintainable . Additionally, it can access all the members of the outer class, including private data members and methods.
Read moreHow do you declare an inner class in Java?
Creating an inner class is quite simple. You just need to write a class within a class . Unlike a class, an inner class can be private and once you declare an inner class private, it cannot be accessed from an object outside the class. Following is the program to create an inner class and access it.
Read moreWhat are the disadvantages of using inner classes in Java?
Q7)What are disadvantages of using inner classes?
Read moreWhat is static nested class?
A static class is a class that is created inside a class , is called a static nested class in Java. It cannot access non-static data members and methods. It can be accessed by outer class name. It can access static data members of the outer class, including private.
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