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CS304 Object Oriented Programming Quiz 2 Solved Fall 2012

Identify which of the following overloaded operator function’s declaration is appropriate for the given call? Rational_number_1 + 2.325 Where Rational_number_1 is an object of user defined class Rational_number.
Select correct option:

Rational_number operator+( Rational_number & obj);
None of the given choices
Rational_number operator+(Rational_number &obj, double& num);
operator+(double& obj);

In _______________ a pointer or reference to an object is created inside a class
Select correct option:

Aggregation 
Composition
Seperation
None of the given
Sub-Object can not be initialized using the constructor
Select correct option:

True
False

To initialize an array of objects, only _____________ will be called
Select correct option:

Defualt Constructor 
Overloaded Constructor
Default Object
None of the above

Let Suppose a class Student with objects std1, std2, and std3. For the statement std3 = std1 – std2 to work correctly, if the overloaded – operator must
Select correct option:

take two arguments.
None of the given choices
take single argument
take three arguments

Copy constructor is called when:
Select correct option:

An object is created in term of pre existence object
An object is created 
An object is initialized
None of the given

Which of the following operator doesn’t take any argument if overloaded?
Select correct option:

/

+
None of the given choices

Object can be declared constant with the use of Constant keyword.
Select correct option:

True 
False

Always make pointer to null, whenever dynamic memory is deleted.
Select correct option:

True 
False

__________ provide the facility to access the data member.
Select correct option:

accesser function
private function
inline function
None of the given

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