Object Oriented Programming Practice Test 7

1. Which among the following is true for public member functions?

Public member functions can be called using object of class

Public member functions doesn’t have any security

Public member functions are declared outside the class

Public member functions doesn’t have a return type

2. All the operators can be overloaded using the member function operator overloading.

True

False

3. In java ______________ takes care of managing memory for objects dynamically.

Free collector

Memory manager

Dust collector

Garbage collector

4. If the left operand is pointed by *this pointer, what happens to other operands?

Other operands are passed to compiler implicitly

Other operands are passed as function arguments

Other operands must be passed using another member function

Other operands are passed as function return type

5. Which of the following function can be used for dynamic memory allocation of objects?

create()

malloc()

calloc()

both malloc() and calloc()

6. How is it possible to have both const and non-const version of a function?

Function overriding

Function declaring

Function prototyping

Function overloading

7. Which among the following best describes member function overriding?

Member functions having same name in base and derived classes

Member functions having same name in derived class only

Member functions having same name in base class only

Member functions having same name and different signature inside main function

8. Can main() function be made private?

Yes, if program doesn’t contain any classes

Yes, always

No, because main function is user defined

No, never

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

void fun() const {}

void const fun() {}

const void fun(){}

void fun() constant {}

10. Which language doesn’t support the method overriding implicitly?

C++

SmallTalk

Java