Java Access Specifiers (also known as Visibility Specifiers) regulate access to classes, fields and methods in Java. They can also be called Access Modifiers. They are usually keywords that determine the accessibility of class, fields and methods in a program. Here the class has control over what data or information is accessed by other classes.
These Specifiers determine whether a field or method in a class can be used or invoked by another method in another class or sub-class. Access Specifiers can also be used to restrict access. Access Specifiers are an integral part of object-oriented programming. In basic terms, they curb access.
There are four Access Specifiers in Java:
Public
Private
Default
Protected
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Access Modifiers Quick Revision by Kiran Sir - Java By Kiran | NatokHD