What Is Difference Between Public And Protected?

What is the difference between public and private protected areas?

If the class member declared as public then it can be accessed everywhere.

If the class members declared as protected then it can be accessed only within the class itself and by inheriting and parent classes.

If the class members declared as private then it may only be accessed by the class that defines the member..

What is public/private protected called?

The access restriction to the class members is specified by the labeled public, private, and protected sections within the class body. … The keywords public, private, and protected are called access specifiers.

What is public/private and protected in C++?

In C++, there are three access specifiers: public – members are accessible from outside the class. private – members cannot be accessed (or viewed) from outside the class. protected – members cannot be accessed from outside the class, however, they can be accessed in inherited classes.

Which rule will not affect the friend function 10 points?

Which rule will not affect the friend function? Explanation: Friend is used to access private and protected members of a class from outside the same class. 2. Which keyword is used to declare the friend function?

How private data can be accessed?

Private: The class members declared as private can be accessed only by the member functions inside the class. They are not allowed to be accessed directly by any object or function outside the class. Only the member functions or the friend functions are allowed to access the private data members of a class.

How do you call a protected method?

Protected. The next access level specifier is protected which allows the class itself, subclasses (with a caveat), and all classes in the same package to call the method. To declare a protected method, use the keyword protected .

Which rule will not affect the friend function?

In principle, private and protected members of a class cannot be accessed from outside the same class in which they are declared. However, this rule does not affect friends.

What do you mean by public private and protected access?

In c++ public, private and protected are access specifiers which controls missus of member variable of the class, outside of the class Public = publically access outside of the class Private= only in class variables accessible Protected =it is use in inheritance for inherite the member variables of the class to another …

What is protected class?

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: … Direct privately derived classes that also have private access to protected members.

What is a protected function?

When you declare a method (function) or a property (variable) as protected , those methods and properties can be accessed by. The same class that declared it. The classes that inherit the above declared class.

What is a public variable?

Public variables, are variables that are visible to all classes. Private variables, are variables that are visible only to the class to which they belong. Protected variables, are variables that are visible only to the class to which they belong, and any subclasses.

How do you implement inheritance?

In Java inheritance is declared using the extends keyword. You declare that one class extends another class by using the extends keyword in the class definition. Here is Java inheritance example using the extends keyword: In java, it is possible to reference a subclass as an instance of one of its super-classes.

What are access specifiers in oops?

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.

What are the types of inheritance?

Different Types of InheritanceSingle inheritance.Multi-level inheritance.Multiple inheritance.Multipath inheritance.Hierarchical Inheritance.Hybrid Inheritance.