Question

This needs to be done in regards to C++ and answers must be 3-4 sentences long

1. Explain overloading. Identify the restrictions on operator overloading.
2. Differentiate between friend and member functions of a class.
3. Compare and contrast the notions of overloading and overriding of functions in C++.
4. Design, implement, and test the implementation of “has-a” relationships among related objects from different classes.

Answer 1

a) Overloading in C++ is that we can have same name for function with different parameters.

Eg:print(int a )

     print(int a ,int b)

Restrictions on operator overloading:

1.The following C++ operators can not be overloaded.

    . , .*, : : ,?:

2.we can not overload pre-processing symbols # ,# #.

3.we can not change the precedence,grouping,or no of operands of the c ++ operators.

b) Member functions of a class has right to access its member variables and public variables of other classes whereas friend functions of a class has right to access the private variables of other classes also.Member function can be called using the object of the class whereas friend function can not be called using the object.

c)

Overloading in C++ is that we can have same name for function with different parameters.

Eg:print(int a )

     print(int a ,int b)

Overriding in C++ is that we can have same function with same paremeters in different class.We can see this scenario in Inheritance of super class and sub class.

Eg:

class A

{

print( int a)

}

class B implements A

{

//we can access the print method of A in B.
}