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Left uncaught, a thrown exception will cause a compile error in Visual Studio.

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a. TRUE

b. FALSE

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Only a pointer variable can be set to have the value NULL.

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a. FALSE

b. TRUE

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Any function, variable declaration or class method can be marked virtual.

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a. TRUE

b. FALSE

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For a class Foo, one difference between a variable declared Foo * and a variable declared Foo & is that only the variable declared Foo & can potentially have the value NULL.

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a. FALSE

b. TRUE

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Whenever they are passed as parameters to a function, the IO classes istream and ostream must be passed using a pass-by-reference parameter passing scheme.

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a. TRUE

b. FALSE

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When no class constructors are supplied by the author of a class, that class will generated errors when compiled in C++.

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a. FALSE

b. TRUE

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The body of a do { ... } while(...); loop will always executes atleast once, no matter what test condition is stated.

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a. TRUE

b. FALSE

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The body of a while(...) { ... } loop will always executes atleast once, no matter what test condition is stated.

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a. FALSE

b. TRUE

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A throw(...) statement is an alternative way to return from a function or method that indicates some kind of failure occurred.

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a. FALSE

b. TRUE

Information

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Please consider the following code fragment when answering the next few questions:

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The variable named var1 declared above will include an ending NULL character.

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a. TRUE

b. FALSE

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The variable named var4 declared above is an object and therefore has callable methods driver code can call.

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a. TRUE

b. FALSE

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Run-time parameters passed to a function allow you to use different values each time the function is called.

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True

False

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A function defined to return void is allowed to have not even a single return statement.

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True

False

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In C++, a class' constructor is allowed to accept parameters.

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True

False

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When authoring a friend function, the keyword friend only appears in the .h file, NOT the .cpp file.

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True

False

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When a class method is marked with the keyword friend in a .h file,

Select one:

a. it will be a link error if C++ programmers mark that class method with the keyword friend in the class' .cpp file.

b. None of the choices here are correct.

c. it will be required for C++ programmers to mark that class method with the keyword friend in the class' .cpp file.

d. it will be a compile error if C++ programmers mark that class method with the keyword friend in the class' .cpp file.

e. it will be a run-time error if C++ programmers mark that class method with the keyword friend in the the class' .cpp file.

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The default case is required in the switch selection statement.

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True

False

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When a class method is marked with the keyword const in a .h file,

Select one:

a. it will be a compile error if C++ programmers mark that class method with the keyword const in the class' .cpp file.

b. it will be required for C++ programmers to mark that class method with the keyword const in the class' .cpp file.

c. it will be a run-time error if C++ programmers mark that class method with the keyword const in the class' .cpp file.

d. it will be a link error if C++ programmers mark that class method with the keyword const in the class' .cpp file.

e. None of the choices here are correct.

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An exception is an occurrence of an undesirable situation that can be detected during program execution.

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True

False

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If operator- is supported by a class, how many parameters should it be defined to accept?

Select one:

a. 1 or 2

b. 3

c. None

d. 1

e. 2

Question 21

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The loop below:

int j = 0;
while ( j <= 10 )
j++;

terminates if j > 10.

Select one:

True

False

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If operator >> is supported by a class, how many parameters should it be defined to accept?

Select one:

a. 3

b. 1

c. 2

d. None

e. 1 or 2

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In C++, the first element in an array has the index value

Select one:

a. 1

b. 0

c. All of the answers listed here are correct

d. -1

e. None of the answers listed here are correct

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The access modifiers public and private can be listed only once within a class' header (.h) file.

Select one:

a. FALSE

b. TRUE

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The following code:
SpaceShip s;
cin >> s;
calls the operator<< defined as:
friend SpaceShip operator<<( istream& ins, SpaceShip & s );.

Select one:

a. TRUE

b. FALSE

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In C++, the class logic_error is part of the namespace std and requires that programmers#include <stdexcept>.

Select one:

a. TRUE

b. FALSE

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When declaring an array of classtype such as:
Student myStudents[ 10 ];
C++ will require that there is a public parameterless constructor for the class Student. Lacking that constructor, the declaration above will not compile.

Select one:

a. TRUE

b. FALSE

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The methods of a class represents the "actions" that thing knows how to perform.

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a. TRUE

b. FALSE

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Consider the following function declaration:

int foo( int a, int b, int c, int d=12, int e=20 );

What is the most number of parameters that can be passed at run-time to call this function?

Select one:

a. 2

b. 3

c. 4

d. 1

e. 5

Question 30

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Typically, class constructors are overloaded to provide many different and convenient ways to create an object.

Select one:

a. TRUE

b. FALSE

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When a recursive function hits its base case, it returns an actual value without calling itself anymore to determine the answer.

Select one:

a. TRUE

b. FALSE

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A constructor always gets called when a class is asked to create an object.

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a. TRUE

b. FALSE

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With the declarations:
   int i = 10;
   int* myArray = new int[ i ];
the correct way to delete the variable myArray is to say:
   delete( myArray );

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a. TRUE

b. FALSE

Question 34

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Given a point to an object o, C++ programmers use the symbol . to reference the members and methods of that pointer variable.

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a. FALSE

b. TRUE

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In C++, cout, the thing we have been using to process output, is actually an example of a class method.

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a. TRUE

b. FALSE

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Typically in C++, most classes have their methods marked public.

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a. TRUE

b. FALSE

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In C++, arrays can be passed as parameters to a function either by value or by reference.

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True

False

char[] var1 = “Hello”; // a c-string variable char * var2 = new char( 20 );
strcpy( var2, “Hello” ); // a c-string variable char var3[ 5 ] = { ‘H’, ‘e’, ‘l’, ‘l’, ‘o’ }; // an array std::string var4( “Hello” ); // a string variable

Explanation / Answer

I have given the answers to you here under by deleting the incorrect answers among the options.

Question 1

Question text

Left uncaught, a thrown exception will cause a compile error in Visual Studio.

Answer:

Select one:

a. TRUE

Question 2

Question text

Only a pointer variable can be set to have the value NULL.

Select one:

Answer:

a. FALSE

Question 3

Question text

Any function, variable declaration or class method can be marked virtual.

Select one:

b. FALSE

Question 4

Question text

For a class Foo, one difference between a variable declared Foo * and a variable declared Foo & is that only the variable declared Foo & can potentially have the value NULL.

Select one:

a. FALSE

Question 5

Question text

Whenever they are passed as parameters to a function, the IO classes istream and ostream must be passed using a pass-by-reference parameter passing scheme.

Select one:

a. TRUE

Question 6

Question text

When no class constructors are supplied by the author of a class, that class will generated errors when compiled in C++.

Select one:

a. FALSE

Question 7

Question text

The body of a do { ... } while(...); loop will always executes atleast once, no matter what test condition is stated.

Select one:

a. TRUE

Question 8

Question text

The body of a while(...) { ... } loop will always executes atleast once, no matter what test condition is stated.

Select one:

a. FALSE

Question 9

Question text

A throw(...) statement is an alternative way to return from a function or method that indicates some kind of failure occurred.

Select one:

a. FALSE

Question 10

Question text

The variable named var1 declared above will include an ending NULL character.

Select one:

a. TRUE

Question 11

question text

The variable named var4 declared above is an object and therefore has callable methods driver code can call.

Select one:

a. TRUE

Question 12

stion text

Run-time parameters passed to a function allow you to use different values each time the function is called.

Select one:

True

Question 13

Question text

A function defined to return void is allowed to have not even a single return statement.

Select one:

True

Question 14

Question text

In C++, a class' constructor is allowed to accept parameters.

Select one:

True

Question 15

Question text

When authoring a friend function, the keyword friend only appears in the .h file, NOT the .cpp file.

Select one:

False

Question 16

Question text

When a class method is marked with the keyword friend in a .h file,

Select one:

c. it will be required for C++ programmers to mark that class method with the keyword friend in the class' .cpp file.

Question 17

Question text

The default case is required in the switch selection statement.

Select one:

False

Question 18

uestion text

When a class method is marked with the keyword const in a .h file,

Select one:

e. None of the choices here are correct.

Question 19

Question text

An exception is an occurrence of an undesirable situation that can be detected during program execution.

Select one:

True

Question 20

Question text

If operator- is supported by a class, how many parameters should it be defined to accept?

Select one:

None

Question 21

Question text

The loop below:

int j = 0;
while ( j <= 10 )
j++;

terminates if j > 10.

Select one:

True

Question 22

Question text

If operator >> is supported by a class, how many parameters should it be defined to accept?

Select one:

b. 1

Question 23

Question text

In C++, the first element in an array has the index value

Select one:

b. 0

Question 24

Question text

The access modifiers public and private can be listed only once within a class' header (.h) file.

Select one:

a. FALSE

Question 25

Question text

The following code:
SpaceShip s;
cin >> s;
calls the operator<< defined as:
friend SpaceShip operator<<( istream& ins, SpaceShip & s );.

Select one:

b. FALSE

Question 26

uestion text

In C++, the class logic_error is part of the namespace std and requires that programmers#include <stdexcept>.

Select one:

b. FALSE

Question 27

uestion text

When declaring an array of classtype such as:
Student myStudents[ 10 ];
C++ will require that there is a public parameterless constructor for the class Student. Lacking that constructor, the declaration above will not compile.

Select one:

b. FALSE

Question 28

Question text

The methods of a class represents the "actions" that thing knows how to perform.

Select one:

a. TRUE

Question 29

uestion text

Consider the following function declaration:

int foo( int a, int b, int c, int d=12, int e=20 );

What is the most number of parameters that can be passed at run-time to call this function?

Select one:

minimum 2 required. maximum you can have 4

question30

Question text

Typically, class constructors are overloaded to provide many different and convenient ways to create an object.

Select one:

a. TRUE

Question 31

Question text

When a recursive function hits its base case, it returns an actual value without calling itself anymore to determine the answer.

Select one:

a. TRUE

Question 32

Question text

A constructor always gets called when a class is asked to create an object.

Select one:

a. TRUE

uestion 33

Question text

With the declarations:
   int i = 10;
   int* myArray = new int[ i ];
the correct way to delete the variable myArray is to say:
   delete( myArray );

Select one:

FALSE

Question 34

Question text

Given a point to an object o, C++ programmers use the symbol . to reference the members and methods of that pointer variable.

Select one:

a. FALSE

Question 35

Question text

In C++, cout, the thing we have been using to process output, is actually an example of a class method.

Select one:

a. TRUE

Question 36

Question text

Typically in C++, most classes have their methods marked public.

Select one:

b. FALSE

Question 37

Question text

In C++, arrays can be passed as parameters to a function either by value or by reference.

Select one:

True

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