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Java inner classes

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By Nancy 2015 | By Nancy | CONFIDENTIAL Objective-Day1(1 hour)      Nested Class: What and Why? Anonymous Inner class Local Inner class Member inner class static nested class 2015 | By Nancy | CONFIDENTIAL What is nested class?  The Java programming language allows you to define a class within another class. Such a class is called a nested class 2015 | By Nancy | CONFIDENTIAL Types of Nested classes  Nested classes are divided into two categories: ○ static ○ and non-static.  Nested classes that are declared static are called static nested classes. Non-static nested classes are called inner classes. We have 3 types of inner classes…   Member inner class  Anonymous inner class  Local inner class 2015 | By Nancy | CONFIDENTIAL We have…. 2015 | By Nancy | CONFIDENTIAL More information     A nested class is a member of its enclosing class. Non-static nested classes (i.e. inner classes) have access to other members of the enclosing class, even if they are declared private. Static nested classes do not have access to other members of the enclosing class. As a member of the OuterClass, a nested class can be declared private, public, protected, or default 2015 | By Nancy | CONFIDENTIAL Why Use Nested Classes?  It is a way of logically grouping classes that are only used in one place: If a class is useful to only one other class, then it is logical to embed it in that class and keep the two togethe ...
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