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.
Can protected members be accessed by subclass?
Protected members in a class are similar to private members as they cannot be accessed from outside the class. But they can be accessed by derived classes or child classes while private members cannot.
Where a protected member can be accessed Java?
A protected member or constructor of an object may be accessed from outside the package in which it is declared only by code that is responsible for the implementation of that object.
How can a protected member be accessed?
Protected members that are also declared as static are accessible to any friend or member function of a derived class. Protected members that are not declared as static are accessible to friends and member functions in a derived class only through a pointer to, reference to, or object of the derived class.
How do I access protected data in Java?
Protected keyword in Java refers to one of its access modifiers. The methods or data members declared as protected can be accessed from: Within the same class. Subclasses of same packages.
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.
Can we inherit private methods?
say() because derived classes can’t inherit private methods from its base class. Only protected and public methods/variables can be inherited and/or overridden.
What is the difference between protected and private in Java?
The private modifier specifies that the member can only be accessed in its own class. 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.
Are protected members inherited Java?
A subclass inherits all of the public and protected members of its parent, no matter what package the subclass is in. If the subclass is in the same package as its parent, it also inherits the package-private members of the parent. … You can declare new fields in the subclass that are not in the superclass.
How can a protected member be accessed Mcq?
Explanation: The protected access modifier is accessible within package and outside the package but only through inheritance. The protected access modifier can be used with data member, method and constructor. It cannot be applied in the class.
What is difference between protected and private access specifiers in inheritance?
private – only available to be accessed within the class that defines them. protected – accessible in the class that defines them and in other classes which inherit from that class. Things that are private are only visible within the class itself.
Why can’t I access a protected member from a derived class?
8 Answers. A class can only access protected members of instances of this class or a derived class. It cannot access protected members of instances of a parent class or cousin class. In your case, the Derived class can only access the b protected member of Derived instances, not that of Base instances.
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.