object oriented programming with examples in c

Ngày tải lên: 22/08/2013, 14:52

... objects communicate with each other. Any object may send a message to other objects, and it may receive messages from other objects. In practical programming terms, sending a message is accomplished ... run-time. constructor An operation that creates an object and defines its initial state. For complex objects, construction can be a significant activity, and cause the constructors of other objects ... tasks, objects need to interact with other objects. The interaction can be between objects of the same class, or objects of different classes. This interaction is handled by sending messages (in...

Ngày tải lên: 20/12/2013, 21:16

Ngày tải lên: 21/12/2013, 20:15

... Destroying Objects 45 Object- oriented Programming with COBOL section Preventing Reallocation of Object Handles in the chapter Compiling and Debugging OO COBOL Applications). If you create a copy ... its conformance checking, which tends to lessen the number of run-time errors that occur. For more information on conformance checking see the section Conformance. Declaring Object References You ... objects. An account object is said to be an instance of the account class, or an instance object, or simply an instance. A class is a programming language construct, while an object is an entity...

Ngày tải lên: 12/02/2014, 23:20

... development company (Ecosoft, Inc.) in 1977. The company’s main product was a statistics package (Microstat) that he wanted to rewrite in a new language called C. Lacking a suitable C compiler, ... examples I use also build on concepts presented 1 c0 1.indd 3c0 1.indd 3 10/8/2012 8:46:46 AM10/8/2012 8:46:46 AM BEGINNING OBJECT ORIENTED PROGRAMMING WITH C# INTRODUCTION . . . . . . . . . . ... 215 Collections 216 ArrayList Objects 218 Summary 221 PART III: WRITING YOUR OWN CLASSES CHAPTER 9: DESIGNING CLASSES 227 Class Design 228 Scope 230 Block Scope 231 Local Scope 232 Class Scope...

Ngày tải lên: 15/02/2014, 07:20

... per character. Each character Preface Our Intended Audience Object- Oriented Programming with Java is written for first-year college/univer- sity programming courses worldwide. It introduces ... first course around. Additionally, Chapters 8 through 11 introduce graphical user interface programming in Java, a topic that is increasingly finding its way into the early part of the CS curriculum. ... 375 7.1 Introduction 376 7.2 Exception Classes 377 7.3 Catching an Exception 379 7.4 Catching Multiple Exceptions 383 7.5 Creating Your Own Exception Class 387 7.6 Throwing an Exception 390 7.7 Finally...

Ngày tải lên: 05/03/2014, 13:20

... if it printed. Internally, the button object interacts with a printer object, which interacts with the printer to accomplish the task of printing the page. OOP concepts started surfacing in the ... combine general characteristics into a parent object and inherit these characteristics in the child objects. For example, you can define an employee object that defines all the general characteristics ... object- oriented programming is implemented in Visual Basic. You will look at creating class structures, creating hierarchies, and implementing interfaces. This part also introduces object interaction and collaboration....

Ngày tải lên: 14/03/2014, 23:20

... 1/ 39 of 50 Defining Objects ■ exampleclass object1 ,object2 ; defines two objects, object1 and object2 , of class exampleclass. ■ The definition actually creates objects that can be used by the ... basic Object- Oriented concepts such as: ã Objects ã Classes ã Properties Object Oriented Programming with C+ +/ Session 1/ 28 of 50 Felines and Subclasses Felines Actions: Make sounds Eat/drink Hunt ... Class: Shape Methods: Draw Move Initialise Subclasses Object Oriented Programming with C+ +/ Session 1/ 38 of 50 Using the class (Contd.) main program{ //define the objects of class exampleclass exampleclass object1 ,object2 ; //call member...

Ngày tải lên: 16/03/2014, 01:20

... func1(const int index) { index = 5;} //error Object Oriented Programming with C+ +/ Session 2/ 29 of 37 The count is common Count: 3 cars in the race Object Oriented Programming with C+ +/ ... 37 Example class race_cars{ private: static int count: int car_number; char name[30]; public: race_cars(){count++;} //constructor to increment count ~race_cars(){count ;} //destructor to decrement count }; int ...  Can declare and define constructors within the class, or declare them within the class and define them outside just as any other member functions. Object Oriented Programming with C+ +/...

Ngày tải lên: 16/03/2014, 01:20

... 42 Checking the Type of Class 42 Finding Out the Class Name 43 Exception Handling 44 Collecting all PHP Errors as Exception 48 Iterators 49 ArrayObject 51 Array to Object 52 Accessing Objects in ... 53 Serialization 54 Magic Methods in Serialization 55 Object Cloning 58 Autoloading Classes or Classes on Demand 59 Method Chaining 59 Life Cycle of an Object in PHP and Object Caching 61 Summary 62 Chapter ... An object is an entity which has bundles of properties and methods and can interact with other objects. An object can be sufcient or it may have dependencies over other objects. But an object...

Ngày tải lên: 22/03/2014, 23:20

... Object Oriented Programming with C+ +/ Session 3/ 27 of 35 Scope rules (Contd.) void main() { first object1 ; second object2 ; object1 .display(); //no function overloading takes place object2 .display(); } ã The ... 35 Passing references (Contd.)  Do not think of a reference as a pointer to an object. A reference is the object. It is not a pointer to the object, nor a copy of the object. It is the object. ... placed in function Code placed inline Object Oriented Programming with C+ +/ Session 3/ 13 of 35 Friend Functions (Contd.) class Teacher{ private: int th_data; public: void getteachdata(); friend...

Ngày tải lên: 23/03/2014, 04:21

... (Contd.) objectA = objectB; objectA: object of destination class objectB: object of source class. ■ Conversion of objects of two different classes can be achieved with: ã One-argument constructor ... constructor defined in the destination class. ã Or a conversion function defined in the source class. Object Oriented Programming with C+ +/ Session 4/ 18 of 49 Binary Arithmetic Operators ■ Need ... Object Oriented Programming with C+ +/ Session 4/ 44 of 49 Example class LFeet{ private: int feet; float inches; public: LFeet(){feet = 0; inches =0.0;}//Constructor 1 LFeet(int ft,float in) ...

Ngày tải lên: 23/03/2014, 04:21

... private in the derived class declaration, objects of the derived class in main() cannot even access public member functions of the base class. Object Oriented Programming with C+ +/ Session ... relationship. class X{ //X contains Y public: Y abc; }; Object Oriented Programming with C+ +/ Session 5 / 31 of 41 Constructors (Contd.)  When you declare an object of the derived class, with the ... derived class. Employee Director Manager Secretary Clerk Object Oriented Programming with C+ +/ Session 5 / 5 of 41 Single Inheritance (Contd.)  In a class hierarchy, the derived classes inherit...

Ngày tải lên: 23/03/2014, 04:21

... run time. Object Oriented Programming with C+ + / Session 6 / 7 of 44 Constructors class Teacher{ private: int x; public: Teacher(){x =0;} //constructors Teacher(int s){x = s;} }; class Student{ private: ... virtual in the base class. ■ It can then be redefined in each derived class. Object Oriented Programming with C+ + / Session 6 / 3 of 44 Session Objectives(Contd.) ■ Describe Virtual functions ■ Describe ... functions ■ Describe Polymorphism ■ Describe Dynamic binding ■ Describe Pure Virtual Functions ■ Describe Abstract classes ■ Describe Virtual destructors Object Oriented Programming with C+ + / Session...

Ngày tải lên: 23/03/2014, 04:21

... an object, the object which you are extending is the superclass of a newly extended object. Instance: Whenever you create an object by calling its constructor, it will be called an instance. ... object could be morphed into several other objects retaining some of its behaviour. Inheritance: The key process of deriving a new object by extending another object is called inheritance. ... follows: Class: A class is a template for an object. A class contains the code which denes how an object will behave and interact either with each other, or with it. Every time you create an object in PHP,...

Ngày tải lên: 12/08/2014, 21:21

... worry about including the class yourself. Method Chaining Method chaining is another process introduced in PHP5 by which you can directly access the methods and attributes of an object when it ... it's amazingly powerful. Life Cycle of an Object in PHP and Object Caching If you are interested in understanding the lifecycle of an object, then an object is live until the script ends. ... any known format into an object. Accessing Objects in Array Style In the previous section we learned how to access any array in OO style. What if we want to access any object in array style?...

Ngày tải lên: 12/08/2014, 21:21

Ngày tải lên: 12/08/2014, 21:21

Ngày tải lên: 12/08/2014, 21:21