Access and Non Access Modifiers in Java

Java provides a rich set of modifiers. They are used to control access mechanism and also provide information about class functionalities to JVM. They are divided into two categories : –

  • Access Modifiers : Java’s access modifiers are public, private, and protected. Java also defines a default access level (called package-private).

    How they work?

    public: When a member of a class is modified by public, then that member can be accessed by any other code.
    private: When a member of a class is specified as private, then that member can only be accessed by other members of its class.
    Now you can understand why main( ) has always been preceded by the public modifier. It is called by code that is outside the program—that is, by the Java run-time system. When no access modifier is used, then by default the member of a class is public within its own package, but cannot be accessed outside of its package. protected applies only when inheritance is involved.

    Detailed article : Access Modifiers in Java

  • Non-access modifiers : In java, we have 7 non-access modifiers. They are used with classes, methods, variables, constructors etc to provide information about their behavior to JVM.They are

Please write comments if you find anything incorrect, or you want to share more information about the topic discussed above.

This article is attributed to GeeksforGeeks.org

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