Question # 1

Virtual functions allow you to

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create an array of type pointer-to-base class that can hold pointers to derived classes.

create functions that can never be accessed.

group objects of different classes so they can all be accessed by the same function code

use the same function call to execute member functions of objects from different classes (Object-Oriented Programming in C++)

One purpose of an iterator in the STL is to connect algorithms and containers.

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True

False

Not Sure

Which sentence clearly defines an object?

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one instance of a class

another word for a class.

a class with static methods.

a method that accesses class attributes.

__________, which means if A declares B as its friend it does NOT mean that A can access private data of B. It only means that B can access all data of A.

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Friendship is one way only

Friendship is two way only

NO Friendship between classes

Any kind of friendship

If a class D has been derived using protected inheritance from class B (If B is a protected base and D is derived class) then public and protected members of B -------- accessed by member functions and friends of class D and classes derived from D

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can be

cannot be

does restirct to be

A class can be identified from a statement by ------------

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Noun

Pronoun

Verb

Adverb

To convert from a user-defined class to a basic type, you would most likely use

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a built-in conversion operator

a one-argument constructor.

an overloaded = operator.

a conversion operator that’s a member of the class.

An abstract class is useful when,

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We do not derive any class from it.

There are multiple paths from one derived class to another

We do not want to instantiate its object.

You want to defer the declaration of the class

Non Template Friend functions of a class are friends of ________instance/s of

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All

One specific

All instances of one date type

None of the given options

The find() algorithm

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finds matching sequences of elements in two containers

finds a container that matches a specified container

takes iterators as its first two arguments. (Object-Oriented Programming in C

takes container elements as its first two arguments.

By default the vector data items are initialized to ____

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0

0.0

1

null

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