Object Oriented Programming Mock Test 7

10%

Question 1 of 10

1. Functions which differ in const-ness are considered ______________________

To have same signature

To produce runtime error

To produce compile time error

To have different signature

Question 1 of 10

Question 2 of 10

2. Which keyword among the following can be used to declare an array of objects in java?

create

arr

allocate

new

Question 2 of 10

Question 3 of 10

3. How much memory will be allocated for an object of class given below?

class Test{
int mark1;
int mark2;
float avg;
char name[10];
};

18 Bytes

20 Bytes

22 Bytes

24 Bytes

Question 3 of 10

Question 4 of 10

4. Which syntax among the following shows that a member is private in a class?

private(functionName(parameters))

private: functionName(parameters)

private::functionName(parameters)

private functionName(parameters)

Question 4 of 10

Question 5 of 10

5. In java, which rule must be followed?

Keyword private with a colon before list of private member's

Keyword private preceding list of private member's

Keyword private with arrow before each private member

Keyword private preceding each private member

Question 5 of 10

Question 6 of 10

6. What is the syntax of a const member function?

void const fun() {}

void fun() const {}

void fun() constant {}

const void fun(){}

Question 6 of 10

Question 7 of 10

7. Which feature of OOP is exhibited by the function overriding?

Polymorphism

Encapsulation

Inheritance

Abstraction

Question 7 of 10

Question 8 of 10

8. What should be used to call the base class method from the derived class if function overriding is used in Java?

Scope resolution

Function name in parenthesis

Dot operator

Keyword super

Question 8 of 10

Question 9 of 10

9. Which operator among the following must be overloaded using the friend function?

It’s not mandatory to use friend function in any case

Both << and >> operators

<< operator only

>> operator only

Question 9 of 10

Question 10 of 10

10. What are public member functions?

Functions accessible everywhere using object of class

Functions accessible outside the class but not in derived class

Functions accessible outside the class directly

Functions that can’t be accessed outside the class

Question 10 of 10