Learn Java Programming - Packages: Introduction to Access Modifiers
Access modifiers are one of the most confusing subjects that you will encounter when learning Java. Even seasoned veterans sometimes have difficulty remembering all the rules and how they apply in certain situations. When you throw inheritance into the equation, the topic becomes mind-boggling. I really struggled with the timing of when I should introduce the concept of access modifiers into my tutorial series. There are things such as static nested classes and inner classes that are considered members of a traditional (outer) class. I haven't even talked what an interface is or mentioned an enum yet. There is so much more to this language that access modifiers pertain to. For the context of this tutorial, the access modifiers will apply to classes, constructors, methods, and variables. With that being said, the four type of access are: public, default aka package-private, protected, and private.
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