c object oriented programming interview questions

... into object- oriented programming methodology and design—concepts that transcend a particular programming language The concepts presented are important to the success of an objectoriented programming ... for your study of object- oriented programming and C# , this chapter will briefly look at the history of object- oriented programming and the characteristics of an object- oriented programming language ... you interact with a car object A car object consists of other objects that interact with each other to accomplish the task of getting you to the store You put the key in the ignition object and...

Ngày tải lên: 31/03/2014, 16:40

... globally visible part of Circle .c: static const struct Class _Circle = { sizeof(struct Circle), Circle_ctor, 0, Circle_draw }; const void * Circle = & _Circle; While it looks like we have a viable ... object, dynamic linkage lets us find type-specific functions: every object starts with a descriptor which contains pointers to functions applicable to the object In particular, a descriptor contains ... same descriptor a class An object is an instance of a class, type-specific functions for an object are called methods, and messages are calls to such functions We use selector functions to locate...

Ngày tải lên: 22/01/2014, 19:20

... III: WRITING YOUR OWN CLASSES CHAPTER 9: DESIGNING CLASSES Class Design Scope Block Scope Local Scope Class Scope Namespace Scope Visualizing Scope Why Does C# Support Scope? Think Before You ... WRITING CUSTOM CLASSES Constructors Default Constructors Nondefault Constructors Constructor Overloading Constructor Sloppiness Fixing the Constructor Problem Always Call the Default Constructor Property ... introduction to object- oriented programming The goal of that chapter is to present the concept of objects fi rst and then ease into how objects may be viewed in C# Virtually all of the concepts...

Ngày tải lên: 15/02/2014, 07:20

... Constructing the CRC Cards Classes Responsibilities Collaborators The Tenant CRC Card The Expense CRC Card The Rent Input Screen CRC card The Rent Record CRC Card The Expense Input Screen CRC ... Exercises CHAPTER 6—OBJECTS AND CLASSES A Simple Class Classes and Objects Declaring the Class Using the Class Calling Member Functions C+ + Objects As Physical Objects Widget Parts as Objects Circles ... User-Defined Objects A Set of person Objects A List of person Objects Function Objects Predefined Function Objects Writing Your Own Function Objects Function objects Used to Modify Container Behavior...

Ngày tải lên: 21/02/2014, 06:20

... bookboon.com 11 Object Oriented Programming using C# An Introduction to Object Orientated Programming An Introduction to Object Orientated Programming Introduction his chapter will discuss diferent programming ... source code to execute on a particular machine… compilation into machine-language object code direct execution of source code by ‘interpreter’ program compilation into intermediate object code ... allowing current parts of the system to interact with new object without concern for the speciic properties of the new objects 1.5 What Exactly is Object Oriented Programming? Activity Think of an object...

Ngày tải lên: 21/02/2014, 06:20

... games xvii PREFACE APPROACH Object- Oriented Programming Using C+ + teaches object- oriented concepts using C+ + as a tool to demonstrate these concepts This book teaches programming concepts using a ... PROGRAMMING An object is a specific instance of a class; a class defines the characteristics of its objects and the methods that can be applied to its objects In object- oriented languages, you can create ... OF OBJECT- ORIENTED PROGRAMMING AND C+ + Basic logic components used in programs are called control structures Three basic control structures are used in procedural programming In the sequence...

Ngày tải lên: 05/03/2014, 13:20

... set_color() cBLACK cDARK_BLUE cDARK_GREEN cDARK_CYAN cDARK_RED cDARK_MAGENTA cBROWN cLIGHT_GRAY cDARK_GRAY cBLUE cGREEN cCYAN cRED cMAGENTA cYELLOW cWHITE The functions beginning with draw_ create ... Backspace Tab Ctrl J Ctrl K Ctrl L Enter Ctrl N Ctrl O Ctrl P Ctrl Q Ctrl R Ctrl S Ctrl T Ctrl U Ctrl V Ctrl W Ctrl X Ctrl Y Ctrl Z Escape Use in C Beep Backspace Tab Linefeed (new line) Vertical Tab ... that use the Console Graphics Lite package This includes such programs as CIRCSTRC from Chapter 5, Functions, and CIRCLES in Chapter 6, Objects and Classes. Create a new project as described earlier,...

Ngày tải lên: 05/03/2014, 20:20

... the capability to control access Constructors Destructors Data Members Member functions A hidden, special pointer called this Program 5-1 is a program that incorporates a c+ + object The class ... not The public part contains a constructor; a constructor is a function that is automatically called when an instance of a class is created A constructor is used to initialize any class member ... students Objective: introduce object oriented programming *******************************************/ #include #include using namespace std; class Grade { public: Grade(); //constructor...

Ngày tải lên: 08/03/2014, 00:20

... object1 .member_function2(); object2 .member_function1(350); object2 .member_function2(); } Object Oriented Defining Objects s exampleclass object1 ,object2 ; defines two objects, object1 and object2 , of class ... Session Objectives s Discuss the following: • The Object- Oriented approach • Drawbacks of traditional programming • Object- Oriented programming s Discuss basic Object- Oriented concepts such as: • Objects ... is called the class member operator Object Oriented Two objects with different values object_ data object_ data 200 object1 Objects of the class exampleclass Specifications for exampleclass objects...

Ngày tải lên: 16/03/2014, 01:20

... of the class, the non-member functions cannot access it If it is declared as public, then any member of the class can access Static member can become a global data for the class Object Oriented ... name[30]; public: race_cars(){count++;} //constructor to increment count ~race_cars(){count ;} //destructor to decrement count }; int race_cars::count; The static data member should be created and initialised ... member functions in memory Object Object data data mem_function1() data data mem_function2() Object data data Object Oriented Static Data Members Useful when all objects of the same class must...

Ngày tải lên: 16/03/2014, 01:20

... 3.0 : an introduction to object oriented programming / Jack Purdum p cm Includes index ISBN 978-0-470-26129-3 (paper/website) Object- oriented programming (Computer science) C# (Computer program ... Lists for Objects Collections ArrayList Objects Summary Exercises Part III: Writing Your Own Classes Chapter 9: Designing Classes Class Design Adding a Class to a Project Scope Visualizing Scope Why ... 5:39:49 PM Contents Constructing the User Interface Object The btnDisplayOutput Click Event Code Critique of the btnDisplayOutput Click Event Code Summary 45 46 48 49 Part II: Understanding C# Syntax...

Ngày tải lên: 22/03/2014, 16:20

... function declaration class first{ public: void display(); }; class second{ public: void display(); }; Object Oriented Scope rules (Contd.) void main() { first object1 ; second object2 ; object1 .display(); ... function is called like func(xobject), while a member function is called like xobject.func() • Designer can select the syntax that is considered most readable Object Oriented Friend classes Declare ... function overloading takes place object2 .display(); } • The scope is strictly confined to the classes in which they are declared Object Oriented Passing arguments by value Called function creates...

Ngày tải lên: 23/03/2014, 04:21

... (Contd.) objectA = objectB; objectA: object of destination class objectB: object of source class s Conversion of objects of two different classes can be achieved with: • One-argument constructor ... an object is passed as an argument to a function • when a function returns an object Object Oriented Programming with C+ +/ Session 4/ 32 of 49 Copy Constructor (Contd.) s s s The copy constructor ... Operator Describe Copy Constructors Object Oriented Programming with C+ +/ Session 4/ of 49 Session Objectives (Contd.) s Describe conversion functions which help in conversion • from Basic types...

Ngày tải lên: 23/03/2014, 04:21

... public • Objects defined outside the class can access class members only if the members are public Object Oriented Accessing Base Class Members With inheritance: • Derived class members can access ... b1.func(); Derived a1; a1.func(); } //base class object //calls base class func //derived class object //calls derived class func Object Oriented Container classes Inheritance can be termed as an "is ... //base class object //error:not accessible //error:not accessible //valid //derived class object //error:not accessible //error:not accessible //valid Object Oriented Pointers in classes We can...

Ngày tải lên: 23/03/2014, 04:21

... • Constructors and Destructors s Use Pointers to Objects to access Member Functions Object Oriented Programming with C+ + / Session / of 44 Session Objectives(Contd.) s Describe Virtual functions ... static binding will be used s Object Oriented Programming with C+ + / Session / 35 of 44 Pure Virtual functions s Some classes such as class Shapes, represent abstract concepts for which objects cannot ... object of class Teaching assistant will invoke the Person class constructor twice Object Oriented Programming with C+ + / Session / 15 of 44 Virtual Base Classes s Multiple inheritance hierarchies...

Ngày tải lên: 23/03/2014, 04:21

... 221 Calling Member Functions 221 C+ + Objects as Physical Objects 223 Widget Parts as Objects 223 Circles as Objects 224 C+ + Objects as Data Types 226 Constructors ... added to C to create C+ + concern classes, objects, and object- oriented programming (C+ + was originally called C with classes.”) However, C+ + has many other new features as well, including an ... but specific people with specific names are members of this class if they possess certain characteristics An object is often called an “instance” of a class Inheritance The idea of classes leads...

Ngày tải lên: 30/03/2014, 02:20

... bookboon.com 11 Object Oriented Programming using C# An Introduction to Object Orientated Programming An Introduction to Object Orientated Programming Introduction his chapter will discuss diferent programming ... source code to execute on a particular machine… compilation into machine-language object code direct execution of source code by ‘interpreter’ program compilation into intermediate object code ... allowing current parts of the system to interact with new object without concern for the speciic properties of the new objects 1.5 What Exactly is Object Oriented Programming? Activity Think of an object...

Ngày tải lên: 01/04/2014, 00:20

... hold objects of that class Until you’ve used the class template to actually carve out an object, that object does not yet exist Memory Class Template ϩ Cookie Cutter of clsDiamond Objects ϭ Cookie ... get an object of the class, you must press the cookie cutter (class template) into the cookie dough (computer memory) in order to get an actual cookie (object) An object is an instance of a class ... Lists for Objects Collections ArrayList Objects Summary Exercises Part III: Writing Your Own Classes Chapter 9: Designing Classes Class Design Adding a Class to a Project Scope Visualizing Scope Why...

Ngày tải lên: 28/04/2014, 15:33