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4

Which of the following is true about const member functions?

A. const members can be invoked on both const as well as nonconst objects

B. const members can be invoked only on const objects and not on nonconst objects

C. nonconst members can be invoked on const objects as well as nonconst objects

D. none of the above

Correct Answer :

B. const members can be invoked only on const objects and not on nonconst objects


Related Questions

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4

Reference to an object behaves like a constant pointer.

A. True

B. False

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4

The new operator always returns a void pointer.

A. True

B. False

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4

Which of the following relationship is known as inheritancerelationship?

A. ‘has-a’ relationship

B. ‘is-a’ relationship

C. association relationship

D. none of the above

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4

The characteristic that data can be manipulated only through member functions that are part of the class is called

A. Encapsulation

B. Data dependency

C. Inheritance

D. Instantiation

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4

In case of nested class, enclosing class can directly access the private data member of nested class.

A. True

B. False

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4

One of the important features of an abstract class is

A. it need not have any object

B. it should be used only as a derived class

C. it need not have any members

D. none of the above

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4

Data objects can be initialized when allocating memory using 'new'.

A. True

B. False

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4

main() returns a value of type

A. real

B. char

C. int

D. null

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4

A pure virtual function is a virtual function that has

A. no definition in its base class

B. a definition in its base class

C. a definition in at least one derived class

D. definition in base class and at least one derived class

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4

The binding that binds a function call at run time is called

A. early binding

B. run time binding

C. late binding

D. linking

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4

A destructor can have arguments like constructor.

A. True

B. False

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4

In C++, identifiers have to be declared at the beginning of the blocks.

A. True

B. False

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4

Which of the following is true about const member functions?

A. const members can be invoked on both const as well as nonconst objects

B. const members can be invoked only on const objects and not on nonconst objects

C. nonconst members can be invoked on const objects as well as nonconst objects

D. none of the above

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4

Inline function specifier reduces the overheads associated with a normal function call.

A. True

B. False

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4

Class is similar to a variable.

A. True

B. False

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4

Element double Array[7] is which element of the array?

A. sixth

B. seventh

C. eighth

D. impossible to tell

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4

Which of the following are good reasons to use an object oriented language?

A. You can define your data types

B. Program statements are simpler than in procedural languages.

C. An OO program can be taught to correct its own errors.

D. It's easier to conceptualize an OO program.

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4

When accessing a structure member, the identifier to the left of the dot operator is the name of

A. Structure member

B. Structure tag

C. Structure variable

D. The keyword struct.

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4

Objects get destroyed in the reverse order as they are created.

A. True

B. False

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4

When you overload an arithmetic assignment operator, the result

A. Goes in the object to the right of the operator

B. Goes in the object to the left of the operator

C. Goes in the object of which the operator is a member

D. Must be returned

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4

Pick out the most appropriate statement from the following

A. references are pointers

B. array of references can be created

C. you can not reference a reference variable

D. all of the above

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4

Private members of a structure can be accessed directly from the outside of the structure.

A. True

B. False

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4

new operator is used

A. To dynamically allocate storage

B. To statically allocate storage

C. To allocate storage for a new variable

D. None of the above are correct

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4

The getch() library function

A. Returns a character when any key is pressed

B. Returns a character when ENTER is pressed

C. Display a character on the screen when a key is pressed

D. Does not display a character on the screen

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4

_______ argument(s) are passed in case of binary overloaded operators.

A. Two

B. One

C. No

D. None of the above

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4

A class that contains at least one pure virtual function is called as

A. pure class

B. abstract class

C. base class

D. derived class

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4

Friend function have access to the

A. private and protected members

B. public members only

C. private members only

D. None of the above are correct

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4

We cannot have the address of a constructor.

A. True

B. False

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4

In C++, the exception handler is invoked with a-

A. try block

B. throw exception

C. catch function

D. abort()

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4

iostream is inheried from istream, ostream and ios class.

A. True

B. False