Access modifiers are keywords in programming that determine the accessibility of classes, methods, and variables. They control whether other parts of the program can access and use these elements.
This refers to an access modifier that restricts the visibility of a class, method, or variable to only within its own class.
This refers to an access modifier that allows unrestricted visibility and accessibility to a class, method, or variable from any part of the program.
This refers to an access modifier that allows visibility within its own package and subclasses outside the package.