Protected: The access level of a protected modifier is within the package and outside the package through child class. If you do not make the child class, it cannot be accessed from outside the package.
What is protected access specifier?
The protected keyword specifies access to class members in the member-list up to the next access specifier ( public or private ) or the end of the class definition. Class members declared as protected can be used only by the following: Member functions of the class that originally declared these members.
What is the purpose of protected access modifier in Java?
The protected modifier specifies that the member can only be accessed within its own package (as with package-private) and, in addition, by a subclass of its class in another package.
What is the protected access specifier and how does it work?
The protected access specifier hides its member variables and functions from other classes and objects. This type of variable or function can only be accessed in child class. It becomes very important while implementing inheritance.
What is the default access specifier in Java?
When we don’t use any keyword explicitly, Java will set a default access to a given class, method or property. The default access modifier is also called package-private, which means that all members are visible within the same package but aren’t accessible from other packages: package com.
Why we use protected access specifier?
The protected access specifier allows the class the member belongs to, friends, and derived classes to access the member. However, protected members are not accessible from outside the class.
What is difference between access specifier and access modifier?
There is no difference between access specifier and access modifier in Java. They both mean the same. Access modifier is the new and official term used instead of access specifier. Java provides four access modifiers to set access levels for classes, variables, methods and constructors.
Who can access protected method Java?
Variables, methods, and constructors, which are declared protected in a superclass can be accessed only by the subclasses in other package or any class within the package of the protected members’ class. The protected access modifier cannot be applied to class and interfaces.
Who can access protected in Java?
2. The protected Keyword. While elements declared as private can be accessed only by the class in which they’re declared, the protected keyword allows access from sub-classes and members of the same package.
What is difference between default and protected in Java?
The protected specifier allows access by all subclasses of the class in question, whatever package they reside in, as well as to other code in the same package. The default specifier allows access by other code in the same package, but not by code that is in subclasses residing in different packages.
What is access specifier What is its role?
Access modifiers (or access specifiers) are keywords in object-oriented languages that set the accessibility of classes, methods, and other members. … When the class is declared as public, it is accessible to other classes defined in the same package as well as those defined in other packages.
Why do we use protected visibility specifier to a class member?
Protected variables allow access to the variables only from sub-classes and classes within the same package. Protected variables can be useful if you want your data to be read-only, or when you want to abstract your data. However, you can just use private variables with getters and setters methods.
Can a class declared as private be accessed outside it’s package?
Can a class declared as private be accessed outside it’s package? Not possible. … The protected access modifier cannot be applied to class and interfaces. Methods, fields can be declared protected, however methods and fields in a interface cannot be declared protected.