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 moreIs it good practice to use inner class in Java?
Any additional encapsulation, such as making the entire inner class private , is desirable; but public inner classes are perfectly acceptable . There are many examples in Java, such as AbstractMap.
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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