OOP Quiz 5

A protected member of the class in accessible in

• Only same class

• Same class and derived class

• Outside the class

When will we use the function overloading?

• different function name but same number of arguments

• same function name but different number of arguments

• same function name but same number of arguments

• different function name but different number of arguments

Which of the following explains Polymorphism?

• int func(int, int);

  float func1(float, float);

• int func(int);

  int func(int);

• int func(float);

  float func(int, int, char);

Which feature allows you to create a Derived class that inherits properties from more than one Base class?

• Multilevel Inheritance

• Multiple Inheritance

• Hierarchical Inheritance

• Hybrid Inheritance

What will be the output?

• Value of a:100

  Value of b:200

• Value of a:200

  Value of b:100

• Value of a:200

  Value of b:200

What is the output of the following code if class A has a method void display(), and class B inherits from A and overrides display()?

• Only the base class method will be called.

• Both methods will be called.

• Only the derived class method will be called.

• It will result in a compilation error.

How is a friend function declared in a class?

• friend returnType functionName(parameters);

• functionType friend functionName(parameters);

• returnType friend functionName(parameters);

• friend functionType functionName(parameters);

In operator overloading, which of the following is true?

• Overloading changes the precedence of the operator.

• Overloading changes the number of operands the operator takes.

• Overloading can provide new functionality to existing operators.

What is a friend function?

• A function that can access private members of a class.

• A function that is a member of another class.

• A function that is defined inside a class.

• A function that cannot be used with classes.

Which of the following is a type of inheritance in C++?

• Single inheritance

• Multiple inheritance

• Multilevel inheritance

• All of the above