COP 3330 Final Exam Questions with Correct Answers Latest Update

COP 3330 Final Exam Questions with Correct Answers Latest Update A member of a structure or of a class is accessed using the what symbol? - Answers dot operator What is the purpose of putting the keyword const in front of an identifier declaration? - Answers Prevent changes to a variable or function Be able to identify illegal and legal identifiers. - Answers must start with _ or letter. Can be a combo of numbers or letter What are the basic C++ types. - Answers bool, int, short, float, long, double, char Be able to identify how many times a loop is executed. - Answers --lookout for semicolon. If semicolon after the parenthesis, nothing will happen however many times Know the difference between a character and a string. - Answers string is a group of characters Know the difference between the = and the == symbols. - Answers = is an assignment operator; == means equal to What is the purpose of the {} symbols. - Answers Used for compund statements for if, else, while, do while, for loops, If you intend to perform a group of statements within an if statement, you must place what symbols around the statements. - Answers { } A member of a structure or of a class is accessed using what symbol(s)? - Answers dot operator A C++ structure, or struct, like the C++ array, is a homogeneous data structure. (i.e., all data is of the same type) (true of false) - Answers False A C++ structure, or struct, like the C++ array, is a homogeneous data structure. (i.e., all data is of the same type) (true of false) - Answers False The concept of class is central to Object Oriented Programming. (true or false) - Answers True There is no access to private members of a class by any function defined outside the class. (true or false) - Answers False Multiple public: and private: sections are allowed in a class. (true of false) - Answers True A constructor is a special kind of member function. It is automatically called when an object of that class is declared. (true or false) - Answers True A constructor is always named construct with class name attached. If the class is Box, then the constructor name is constructorBox. (true or false) - Answers False A constructor is like a function. It can return any type value needed. (true or false) - Answers False-Doesn't return a value How to use a constructor in an application. Think of the Box class example. - Answers Box MyBox:: Default constructor: Box::Box() { } Copy constructor: Box::Box(const int s, Const char b, const char f) { Setsize(s); Setborder(b); Setfill (f); } How many default constructors may a class have? - Answers 1 What are some of the functions that may be done by a constructor? - Answers Initializes some or all member variables and any other initialization needed