Derived Classes, Templates & Exception Handling in C++ Quiz 1

1 / 50

What does inheritance allow you to do?

create a method

create a hierarchy of classes

create a class

access methods

2 / 50

From where does the template class derived?

regular non-templated C++ class

templated class

regular non-templated C++ class or templated class

main function

3 / 50

Pick out the correct option.

We cannot make an instance of an abstract base class

We can make an instance of an abstract derived class

We can make an instance of an abstract base class

We can make an instance of an abstract super class

4 / 50

How many types of templates are there in c++?

5 / 50

How many parameters are legal for non-type template?

6 / 50

What is the correct syntax of defining function template/template functions?

template <T> void(T a){cout<<a;}

Template <T> void(T a){cout<<a;}

Template <class T> void(T a){cout<<a;}

template <class T> void(T a){cout<<a;}

7 / 50

Which constructor will initialize the base class data member?

derived & base class

derived class

base class

class

8 / 50

What is meant by pure virtual function?

Function which does not have any return type

Function which does not have definition of its own

Function which does have definition of its own

Function which does not have any return type & own definition

9 / 50

How many constructors can present in a class?

multiple

10 / 50

Pick out the correct statement about multiple inheritances.

Deriving a class from one direct base class

Deriving a class from more than one direct derivedbase class

Deriving a class from more than one direct derived class

Deriving a class from more than one direct base class

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What are Templates in C++?

A feature that allows the programmer to write specific codes for a problem

A feature that allows the programmer to write generic programs

A feature that allows the programmer to make program modular

A feature that does not add any power to the language

12 / 50

Which interface determines how your class will be used by another program?

protected

public

void

private

13 / 50

Which is used to describe the function using placeholder types?

template parameters

template type

template type parameters

type parameters

14 / 50

Which is the correct syntax of defining a pure virtual function?

virtual return_type func();

virtual return_type func() pure;

pure virtual return_type func();

virtual return_type func() = 0;

15 / 50

What is meant by polymorphism?

class having only single form

class having many forms

class having four forms

class having two forms

16 / 50

In how many ways templates concept can be used?

17 / 50

What is meant by container ship?

class contains objects of other class types as its members

class contains objects of other class types as its objects

class contains objects of other class types as its members 7 also objects

class contains objects of other class types as its members 9 also objects

18 / 50

Pick out the correct statement about the override.

Overriding has different names & it refers to a derived class

Overriding has different names

Overriding refers to a derived class function that has the same name and signature as a base class virtual function

Overriding refers to a derived class

19 / 50

Where is the derived class is derived from?

class

base

derived

both derived & base

20 / 50

How to declare a template?

template<>

temp

tem

temp()

21 / 50

Which is also called as abstract class?

derived class

base class

pure virtual function

virtual function

22 / 50

What is a function template?

creating a function without class

creating a function without having to specify the exact type

creating a function with having an exact type

creating a function without having blank spaces

23 / 50

How many kinds of classes are there in c++?

24 / 50

What should be the name of the constructor?

same as the function

same as the member

same as the class

same as the object

25 / 50

How many types of the constructor are there in C++?

26 / 50

Pick the correct statement.

Both Pure virtual function and virtual function have an implementation in the base class

Pure virtual function has no implementation in the base class whereas virtual function may have an implementation in the base class

The base class has no pure virtual function

Pure virtual functions and virtual functions are the same

27 / 50

What is a pure virtual function in C++?

Any function in a class

A virtual function declared in a base class

A function without definition in a base class

A virtual function defined in a base class

28 / 50

Which is the correct statement about pure virtual functions?

Pure keyword should be used to declare a pure virtual function

Pure virtual function is implemented in derived classes

They should be defined inside a base class

Pure virtual function cannot implemented in derived classes

29 / 50

What does derived class does not inherit from the base class?

all of the mentioned

friends

constructor and destructor

operator = () members

30 / 50

How many types of class are there in c++?

31 / 50

What is the difference between normal function and template function?

Unlike the template function, the normal function accepts more than one parameters

The normal function works with any data types whereas template function works with specific types only

Unlike a normal function, the template function accepts a single parameter

Template function works with any data types whereas normal function works with specific types only

32 / 50

Pick out the correct statement.

A derived class?s destructor cannot invoke its base class?s destructor

A derived class?s destructor can invoke its base & derived class?s destructor

A derived class?s destructor can invoke its base class?s destructor

A derived class?s constructor cannot explicitly invokes its base class?s constructor

33 / 50

Which of the following can derived class inherit?

functions

both members & functions

members

classes

34 / 50

Pick out the correct statement about string template.

It is used to delete a string

It is used to replace a string with another string at runtime

It is used to replace a string

It is used to create a string

35 / 50

Which operator is used to declare the destructor?

36 / 50

Which keyword is used for the template?

template

Template

temp

Temp

37 / 50

How many types of inheritance are there in c++?

38 / 50

Which class is used to design the base class?

derived class

derived & base class

base class

abstract class

39 / 50

How many ways of reusing are there in the class hierarchy?

40 / 50

Templates simulate which of the following feature?

Inheritance

Polymorphism

Abstraction

Encapsulation

41 / 50

What is a template?

A template is used to delete the class

A template is used to manipulate the class

A template is a formula for creating a generic class

A template is used for creating the attributes

42 / 50

Pick out the correct statement.

it will take a long time to execute

it will take a long time to execute & duplicate code is increased

you only need to write one function, and it will work with many different types

duplicate code is increased

43 / 50

Where does the abstract class is used?

both derived & base class

derived class

virtual class

base class only

44 / 50

Which are done by compiler for templates?

portability

prototype

code elimination

type-safe

45 / 50

What may be the name of the parameter that the template should take?

same as class

same as member

same as function

same as template

46 / 50

What is the syntax of inheritance of class?

class name

class name: access specifier class name

class name: access specifier

access specifier class name

47 / 50

Which is used to create a pure virtual function?

48 / 50

What can be passed by non-type template parameters during compile time?

constant expression

float

string

int

49 / 50

What is an abstract class in C++?

Class specifically used as a base class with atleast one pure virtual functions

Class specifically used as a base class with atleast one virtual functions

Any Class in C++ is an abstract class

Class from which any class is derived

50 / 50

What is the syntax of class template?

template <paramaters> class declaration

Temp <paramaters> class declaration

Template <paramaters> class declaration

temp <paramaters> class declaration

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