CSC 136 Final Exam

Zhang please give me a god damn A

To access a structure member (component), you use the struct variable name together with the member name; these names are separated by a dot (period).

True

You can use an assignment statement to copy the contents of one struct into another struct of the same type.

True

Relational operations can be used on struct variables.

False

A function can return a value of the type struct.

True

A struct is typically a ____ data structure.

heterogeneous

The components of a struct are called the ____ of the struct.

members

Which of the following struct definitions is correct in C++?

struct studentType{ \n int ID; \n };

Consider the following struct definition: \n struct rectangleData{ \n double length; \n double width; \n double area; \n double perimeter; \n };

rectangleData myRectangle;

Typically, in a program, a struct is defined ____ in the program.

before the definitions of all the functions

The syntax for accessing a struct member is structVariableName____.

.memberName

You can assign the value of one struct variable to another struct variable of ____ type.

the same

Consider the following statements: \n struct rectangleData{ \n double length; \n double width; \n double area; \n double perimeter; \n }; \n rectangleData bigRect; \n Which of the following statements correctly initializes the component length of bigRect?

bigRect.length = 10;

\
Consider the following statements: \n struct rectangleData{ \n double length; \n double width;double area; \n double perimeter; \n }; \n rectangleData bigRect; \n Which of the following statements is valid in C++?

cin >> bigRect.length;

struct personalInfo{ \n string name; \n int age; \n double height; \n double weight; \n }; \n struct commonInfo{ \n string name; \n int age; \n }; \n personalInfo person1, person2; \n commonInfo person3, person4; \n Which of the following statements is valid in C++?

person2 = person1;

Consider the following statements: \n struct studentType1{ \n string name; \n int ID; \n double gpa; \n }; \n studentType1 student1, student2; \n struct studentType2 \n {string name; \n int ID; \n double gpa; \n }; \n studentType2 student3, student4; \n Which of the following statements is valid in C++?

student1.ID = student3.ID;

\
A struct variable can be passed as a parameter ____.

either by value or by reference

Consider the following statements: \n struct supplierType{ \n string name; \n int supplierID; \n }; \n struct applianceType{ \n supplierType supplier; \n string modelNo; \n double cost; \n }; \n applianceType applianceList\[25\]; \n Which of the following best describes applianceList?

It is an array of structs.

A class is an example of a structured data type.

True

In C++, class is a reserved word and it defines only a data type.

True

If the heading of a member function of a class ends with the word const, then the function member cannot modify the private member variables, but it can modify the public member variables.

False

Given this declaration: \n class myClass{ \n public:void print(); \n //Output the value of x; \n MyClass(); \n private:int x; \n }; \n myClass myObject; \n The following statement is legal. \n myObject.x = 10;

False

If an object is declared in the definition of a member function of the class, then the object can access both the public and private members of the class.

True

If an object is created in a user program, then the object can access both the public and private members of the class.

False

As parameters to a function, class objects can be passed by reference only.

False

The public members of a class must be declared before the private members.

False

The components of a class are called the ____ of the class.

members

Which of the following class definitions is correct in C++?

class studentType{ \n public: \n void setData(string, double, int); \n private: \n string name; \n };

If a member of a class is ____, you cannot access it outside the class.

private

A class and its members can be described graphically using a notation known as the ____ notation.

UML

The word ____ at the end of several the member functions in the accompanying figure class clockType specifies that these functions cannot modify the member variables of a clockType object.

Const

A ____ sign in front of a member name on a UML diagram indicates that this member is a public member.

\+

In C++, the ____ is called the member access operator.

.

In C++, you can pass a variable by reference and still prevent the function from changing its value by using the keyword ____ in the formal parameter declaration.

const

A member function of a class that only accesses the value(s) of the data member(s) is called a(n) ____ function.

accessor

To guarantee that the member variables of a class are initialized, you use ____.

constructors

Consider the accompanying class and member functions definitions. How many constructors are present in the class definition?

two

How many destructors can a class have?

one

A destructor has the character ____, followed by the name of the class.

\~

What does ADT stand for?

Abstract Data Type

Which of the following is true about classes and structs?

By default, all members of a struct are public and all members of a class are private.

In multiple inheritance, the derived class has more than one base class.

True

The private members of a base class can be directly accessed by a derived class.

False

A derived class cannot directly access public members of a base class.

False

If the derived class does not override a public member function of the base class, you may specify a call to that public member function by using the name of the function and the appropriate parameter list.

True

A call to the base class's constructor is specified in the heading of the definition of a derived class constructor.

True

A derived class can directly access the protected members of the base class.

True

If inheritance is private, all members of the base class, including private members, become private members of the derived class.

False

Inheritance is an example of a(n) ____ relationship.

is-a

Classes can create new classes from existing classes. This important feature ____.

encourages code reuse

____ is a "has-a" relationship.

composition

The new classes that we create from existing classes are called ____ classes.

derived

Existing classes, from which you create new classes, are called ____ classes.

Base

consider the following class definition:class dClass: \n bClass{ \n //class members list \n }; \n The class dClass is derived from the class bClass using the ____ type of inheritance.

private

Which of the following is a valid definition of the derived class bClass?

class bClass: \n public aClass{ \n //... \n };

Which of the following class definitions makes the public members of the class aClass become the public members of the class bClass?

class bClass: \n public aClass{ \n //... \n };

Which of the following is true about a derived class?

A derived class can redefine any public member function of the base class.

To ____ a public member function of a base class in the derived class, the corresponding function in the derived class must have the same name, number, and types of parameters.

redefine

If the corresponding functions in the base class and the derived class have the same name but different sets of parameters, then this function is ____ in the derived class.

overloaded

If the derived class classD overrides a public member function functionName of the base class classB, then to specify a call to that public member function of the base class, you use the statement ____.

classB::functionName();

The following is a legal C++ enumeration type: \n enum colorType{BLUE, GREEN, PINK, YELLOW,RED};

True

The following is a valid C++ enumeration type: \n enum places {1ST, 2ND,3RD,4TH};

False

No arithmetic operations are allowed on the enumeration type.

True

A function cannot return the value of an enumeration type.

False

A function cannot return the value of an enumeration type.

False

Consider the declaration: \n enum sports {BASKETBALL, FOOTBALL, HOCKEY, BASEBALL, SOCCER}; \n which of the following statements is true?

FOOTBALL

enum courses {ALGEBRA, BASIC, PASCAL, PHILOSOPHY, ANALYSIS}; \n courses registered; \n registered = ALGEBRA; \n cout << registered << endl;

0

Which of the following statements declares the studentGrade variable?

enum grades {A, B, C, D, F} studentGrade;

A pointer variable is a variable whose content is a memory address.

True

In C++, pointer variables are declared using the reserved word pointer.

False

In the statement \n int\* p, q; \n p and q are pointer variables.

False

Variables that are created during program execution are called static variables.

False

Given the declaration \n int \*p; \n The statement \n p = new int\[50\]; \n dynamically allocates an array of 50 components of type int and p contains the base address of the array.

True

A memory leak is an unused memory space that cannot be allocated.

True

If p is a pointer variable, the statement p = p + 1; is valid in C++.

True

In C++, you declare a pointer variable by using the ____ symbol.

\*

In C++, ____ is called the address of operator.

&

Which of the following can be used to initialize a pointer variable?

nullptr

The C++ operator ____ is used to create dynamic variables.

new

The C++ operator ____ is used to destroy dynamic variables.

delete

Which of the following arithmetic operations is allowed on pointer variables?

increment

Given the declaration int \*a;, the statement a = new int\[50\]; dynamically allocates an array of 50 components of the type ____.

int

An array created during the execution of a program is called a(n) ____ array.

dynamic

In a ____ copy, two or more pointers of the same type point to the same memory.

shallow

In a ____ copy, two or more pointers have their own data.

deep

A class ____ automatically executes whenever a class object goes out of scope.

destructor

The ____ constructor is executed when an object is declared and initialized by using the value of another object.

copy

Which of the following would be appropriate syntax for the heading of a copy constructor for a class called rulerType?

rulerType(const rulerType& myRuler)

Operator functions typically return void.

False

In C++, operator is a reserved word.

True

A friend function does not have access to the private data members of the class.

False

Most operator functions can either be member functions or nonmember functions of a class.

True

The name of the function to overload the operator

operator

Every object of a class maintains a (hidden) pointer to itself, and the name of this pointer is ____.

this

A(n) ____ function is a nonmember function that has access to all members of the class.

friend

The general form of the functions to overload the binary operators as member functions of a class is returnType operator#(____ className&) const;.

const

Which of the following function prototypes overloads the != operator for the class rectangleType?

bool operator!=(const rectangleType&) const;

The general syntax to overload the stream extraction operator >> for a class is ____.

friend istream& operator>>(istream&, className&);

The return type of the function to overload the operator >> must be a reference to a(n) ____ object.

istream

The general syntax for the function prototype to overload the assignment operator = for a class is ____.

const className& operator=(const className&);

To overload the pre-increment (++) operator for a class, if the operator function is a member of that class, it must have ____ parameter(s).

no