What is an access specifier? Which two access specifier is used in a class declaration?

Question :

What is an access specifier? Which two access specifier is used in a class declaration?

Access modifiers (or access specifiers) are keywords in object-oriented languages that set the accessibility of classes, methods, and other members. Access modifiers are a specific part of programming language syntax used to facilitate the encapsulation of components. The public and default access specifier is used in a class declaration.