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 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.
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 difference between nested and inner class in Java?
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 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 more