Object-Oriented Programming Exam Preparation Guide
Course
Introduction
Object-Oriented Programming introduces students to the fundamentals of structuring software using the object-oriented paradigm. The course covers key concepts such as classes, objects, inheritance, encapsulation, and polymorphism, emphasizing how these principles lead to modular, reusable, and maintainable code. Students will learn to design and implement programs using an object-oriented language, applying techniques for class hierarchies, interfaces, and dynamic binding. Real-world examples and projects enable hands-on experience, preparing students to employ object-oriented thinking to solve complex programming challenges effectively.
Recommended Textbook C++ Programming Program Design Including Data Structures 6th Edition by D.S. Malik
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Chapter 1: An Overview of Computers and Programming Languages
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Q1) Several categories of computers exist,such as ____.
A) microframe, midframe, and miniframe
B) midsize, microframe, and mainframe
C) mainsize, midsize, and microsize
D) mainframe, midsize, and micro
Answer: D
Q2) To develop a program to solve a problem,you start by ____.
A) analyzing the problem
B) implementing the solution in C++
C) designing the algorithm
D) entering the solution into a computer system
Answer: A
Q3) The command that does the linking on Visual C++ 2010 Express and Visual Studio 2010 is Make or Remake.
A)True
B)False
Answer: False
Q4) The machine language version of the high-level language program is called a(n)____________________.
Answer: object program
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Chapter 2: Basic Elements of C++
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Q1) In a C++ program,____________________ are used to separate special symbols,reserved words,and identifiers.
Answer: whitespaces whitespace
white spaces white space
Q2) Suppose that alpha and beta are int variables.The statement alpha = ++beta; is equivalent to the statement(s)____.
A) beta = beta + 1; Alpha = beta;
B) alpha = beta; Beta = beta + 1;
C) alpha = alpha + beta;
D) alpha = beta + 1;
Answer: A
Q3) A(n)____________________ is a sequence of zero or more characters. Answer: string
Q4) ____________________ rules determine the meaning of instructions. Answer: Semantic semantic
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Chapter 3: Input/Output
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Q1) Suppose that ch1,ch2,and ch3 are variables of the type char and the input is: A B C
Choose the value of ch3 after the following statement executes: Cin >> ch1 >> ch2 >> ch3;
A) 'A'
B) 'B'
C) 'C'
D) '\n'
Answer: C
Q2) C++ provides a header file called ____________________,which is used for file I/O.
Answer: fstream
Q3) The functions get,ignore,and so on are members of the data type ____________________.
Answer: istream
Q4) In the statement cin >> x;,x can be a variable or an expression.
A)True
B)False
Answer: False
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Chapter 4: Control Structures I (Selection)
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Q1) In a ____ control structure,the computer executes particular statements depending on some condition(s).
A) looping
B) repetition
C) selection
D) sequence
Q2) In C++,!,&&,and || are called relational operators.
A)True
B)False
Q3) Assume you have three int variables: x = 2,y = 6,and z.Choose the value of z in the following expression: z = (y / x > 0)? x : y;.
A) 2
B) 3
C) 4
D) 6
Q4) When one control statement is located within another,it is said to be ____.
A) blocked
B) compound
C) nested
D) closed
Page 6
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Chapter 5: Control Structures II (Repetition)
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Q1) The statement in the body of a while loop acts as a decision maker. A)True B)False
Q2) Suppose sum and num are int variables,and the input is 18 25 61 6 -1.What is the output of the following code? sum = 0; Cin >> num; While (num != -1)
{
\(\quad\)Sum = sum + num; \(\quad\)Cin >> num;
}
Cout << sum << endl;
A) 92
B) 109
C) 110
D) 119
Q3) In a(n)"____________________" problem,either the loop executes one too many or one too few times.
Q4) The function eof is a member of the data type ____________________.
Page 7
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Chapter 6: User-Defined Functions
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Q1) Once you write and properly debug a function,you can use it in the program (or different programs)again and again without having to rewrite the same code repeatedly.
A)True
B)False
Q2) ____________________ identifiers are not accessible outside of the function (block).
Q3) The output of the statement: cout << pow(2.0,pow(3.0,1.0))<< endl; Is ____.
A) 6.0
B) 7.0
C) 8.0
D) 9.0
Q4) Stream variables (for example,ifstream and ofstream)should be passed by ____________________ to a function.
Q5) If a function needs to return more than one value,as a rule of good programming style,you should change it to a(n)____________________ function and use the appropriate reference parameters to return the values.
Q6) In C++,:: is called the ____________________.
Page 8
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Chapter 7:
User-Defined Simple Data Types, Namespaces, and the string Type
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Q1) Consider the following statements: string str1 = "Gone with the wind"; String str2;
After the statement str2 = str1.substr(5,4); executes,the value of str2 is "____".
A) Gone
B) with
C) the
D) wind
Q2) The string expression strVar.____________________ returns the index of the first occurrence at or after pos where str is found in strVar.
Q3) Before using the data type string,the program must include the header file ____.
A) enum
B) iostream
C) string
D) std
Q4) In July ____,ANSI/ISO Standard C++ was officially approved.
A) 1996
B) 1998
C) 1999
D) 2000
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Chapter 8: Arrays and Strings
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Q1) What is the value of alpha[2] after the following code executes? int alpha[5]; int j; for (j = 0; j < 5; j++)
\(\quad\)alpha[j] = 2 * j + 1;
A) 1
B) 4
C) 5
D) 6
Q2) Consider the following statement: double alpha[10][5];.The number of components of alpha is ____.
A) 15
B) 50
C) 100
D) 150
Q3) Assume you have the following declaration char nameList[100];.Which of the following ranges is valid for the index of the array nameList?
A) 0 through 99
B) 0 through 100
C) 1 through 100
D) 1 through 101
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Chapter 9: Records (structs)
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Q1) Consider the following statements: struct rectangleData
{ \(\quad\)double length; \(\quad\)double width; \(\quad\)double area; \(\quad\)double perimeter; };
rectangleData bigRect;
Which of the following statements is valid in C++?
A) cin >> bigRect.length >> width;
B) cout << bigRect.length;
C) cout << bigRect;
D) cout << length;
Q2) You can use the assignment statement on structs.
A)True
B)False
Q3) In C++,struct is a(n)____________________ word.
Q4) Memory is allocated for struct variables only when you ____________________ them.
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Chapter 10: Classes and Data Abstraction
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Q1) If an object is created in a user program,then the object can access both the public and private members of the class.
A)True
B)False
Q2) 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.
A) automatic
B) private
C) static
D) const
Q3) A(n)____________________ is a statement specifying the condition(s)that must be true before the function is called.
Q4) In C++ terminology,a class object is the same as a class instance.
A)True
B)False
Q5) A class is an example of a structured data type.
A)True
B)False
Q6) The header file is also known as the ____________________.
Page 12
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Chapter 11: Inheritance and Composition
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Q1) A derived class cannot directly access public members of a base class.
A)True
B)False
Q2) In ____________________,the derived class is derived from a single base class.
Q3) Which of the following is true about a derived class?
A) A derived class can directly access any member variable of the base class.
B) A derived class can redefine any public member function of the base class.
C) A derived class can have at most one base class.
D) A derived class can redefine any member function of the base class.
Q4) The preprocessor directive ____________________ is used to prevent multiple inclusions of a header file in a program.
Q5) The private members of a base class can be directly accessed by a derived class.
A)True
B)False
Q6) ____ is a "has-a" relationship.
A) Inheritance
B) Encapsulation
C) Composition
D) Polymorphism
Q7) In C++,we implement ADT through the use of ____________________.
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Chapter 12: Pointers, Classes, Virtual Functions, Abstract
Classes, and Lists
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Q1) The C++ operator ____ is used to create dynamic variables.
A) dynamic
B) new
C) virtual
D) dereferencing
Q2) For classes with pointer member variables,you should include the copy constructor and the ____________________ in the class.
Q3) A memory leak is an unused memory space that cannot be allocated.
A)True
B)False
Q4) In a(n)____ copy,two or more pointers have their own data.
A) shallow
B) deep
C) static
D) dynamic
Q5) The ____________________ of a list is the number of elements in the list.
Q6) Variables that are created during program execution are called static variables. A)True
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B)False
Q7) The binding of virtual functions occurs at program
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Chapter 13: Overloading and Templates
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Q1) In C++,operator is a reserved word.
A)True
B)False
Q2) When the post-increment operator is overloaded as a nonmember function of the class,the operator function has ____ parameter(s).
A) no
B) one
C) two
D) three
Q3) Which of the following function prototypes overloads the != operator for the class rectangleType?
A) bool operator!=(rectangle&) const;
B) bool operator!=(const rectangleType&) const;
C) int operator!=(const rectangleType) const;
D) int operator!=(rectangle&) const;
Q4) The associativity of the operator = is from right to left.
A)True
B)False
Q5) In C++,a function ____________________ can be overloaded.
Q6) A conversion constructor is a(n)____________________ parameter function.
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Chapter 14: Exception Handling
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Q1) In C++,any class can be considered an exception class.
A)True
B)False
Q2) The function ____ can check whether an expression meets the required conditions; if the conditions are not met,it terminates the program.
A) check
B) look
C) assert
D) what
Q3) Which of the following is a valid C++ statement?
A) assert(0 = divisor);
B) assert(divisor != 0);
C) assert(divisor 0);
D) assert(divisor is 0);
Q4) The class ____ is designed to deal with illegal arguments used in a function call.
A) invalid_function
B) invalid_parameter
C) invalid_call
D) invalid_argument
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Chapter 15: Recursion
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Q1) If a function A calls function B and function B calls function A,then function A is ____________________ recursive.
Q2) Consider the following definition of the recursive function mystery. int mystery(int num)
{ if (num <= 0)
\(\quad\)return 0; else if (num % 2 == 0)
\(\quad\)return num + mystery(num - 1); else
\(\quad\)return num * mystery(num - 1); }
What is the output of the following statement?
Cout << mystery(5)<< endl;
A) 50
B) 65
C) 120
D) 180
Q3) The numbering system that the computer uses is called the ____________________ system.
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Chapter 16: Linked Lists
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Q1) Every node (except of the last node)in a singly linked list contains ____.
A) the next node
B) no address information
C) the address of the next node
D) the address of the previous node
Q2) If a formal parameter is a value parameter,the ____________________ constructor provides the formal parameter with its own copy of the data.
Q3) In a linked list,the link component of each node is a(n)____________________.
Q4) Each node of a linked list must store the data as well as the ____________________ for the next node in the list.
Q5) A(n)____________________ linked list is a linked list in which every node has a next pointer and a back pointer.
Q6) Each node of a singly linked list has two components: ____ and ____.
A) info, head
B) link, back
C) back, head
D) info, link
Q7) A linked list must be searched ____________________,starting from the first node.
Page 19
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Chapter 17: Stacks and Queues
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Q1) The expression a + b is the same in both infix notation and postfix notation.
A)True
B)False
Q2) In evaluating a postfix expression,when an equal sign (=)is encountered,how many elements must the stack contain so that no error is generated?
A) none
B) one
C) two
D) three
Q3) In the array representation of a stack,an unlimited number of elements can be pushed onto the stack.
A)True
B)False
Q4) In ____________________ notation,operators are written after the operands.
Q5) The postfix expression 3 5 + 2 ; 6 - = will generate an error,because it ____. A) contains an illegal operator
B) does not have enough operands
C) has too many operands
D) has too many operators
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Chapter 18: Searching and Sorting Algorithms
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Q1) Let f be a function of n.By the term ____________________,we mean the study of the function f as n becomes larger and larger without bound.
Q2) The sequential search algorithm does not require that the list be sorted.
A)True
B)False
Q3) The quick sort algorithm uses the ____________________ technique to sort a list.
Q4) Consider the following list: int list[] = {4,8,19,25,34,39,45,48,66,75,89,95}
When performing a binary search,the target is first compared with ____.
A) 4
B) 25
C) 39
D) 95
Q5) During the sorting phase of insertion sort,the array containing the list is divided into two sublists,sorted and unsorted.
A)True
B)False
Q6) A comparison tree is a(n)____________________ tree.
Q7) The ____________________ search algorithm is the optimal worst-case algorithm for solving search problems by using the comparison method.
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Chapter 19: Binary Trees
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Q1) To destroy a binary tree,for each node,first we destroy its left subtree,then its right subtree,and then the node itself.We must then use the operator ____________________ to deallocate the memory occupied by the node.
Q2) In addition to the inorder,preorder,and postorder traversals,a binary tree can also be traversed level-by-level,which is also known as ____________________ traversal.
Q3) Every node in a binary tree has at most ____ children.
A) one
B) two
C) three
D) four
Q4) In the diagram of a binary tree,an arrow is called a(n)____.
A) relation
B) path
C) directed line
D) directed branch
Q5) In a(n)____________________ traversal,the binary tree is traversed as follows:
1.Traverse the left subtree
2.Visit the node
3.Traverse the right subtree
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Chapter 20: Graphs
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Q1) Let G be a weighted graph.Let u and v be two vertices in G,and let P be a path in G from u to v.The weight of the path P is the sum of the weights of all the ____________________ on the path P.
Q2) Y is a(n)____ of X if every element of Y is also an element of X.
A) derivative B) subset
C) inheritee
D) shallow copy
Q3) We can always traverse an entire graph from a single vertex. A)True B)False
Q4) A graph is ____________________ if the number of vertices is zero.
Q5) Let e (u,v)be an edge in an undirected graph G.The edge e is said to be ____________________ on the vertices u and v.
Q6) The starting vertex of a shortest path in a graph is called the ____________________.
Q7) A(n)____________________ graph G is called strongly connected if any two vertices in G are connected.
Page 23
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Chapter 21: Standard Template Library (STL)
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Q1) If data needs to be processed in a LIFO manner,use a ____.
A) stack
B) linked list
C) queue
D) deque
Q2) The associated header file of the sequence container multimap is ____________________.
Q3) ____ containers allow elements to be inserted at both ends.
A) Queue
B) Deque
C) Stack
D) List
Q4) An iterator to a vector container is declared using the ____ iterator.
A) new
B) vector
C) typedef
D) typeiter
Q5) ____________________ predicates check a specific property for a pair-that is,two arguments.
Q6) ____________________ predicates check a specific property for a single argument.
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