object oriented programming concepts with examples in vb net

... the beginning VB programmer who wants to gain a foun- dation in object- oriented programming along with the VB language basics. Programmers transitioning from a procedural -oriented programming model ... 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 ... product object that is responsible for maintaining and working with the data pertaining to the products. If you wanted to have printing capabilities in your application, you would work with a printer...

Ngày tải lên: 14/03/2014, 23:20

... data are merged into a single indivisible thing an object. ■ Close match between objects in the programming sense and objects in the real world. Object Oriented Programming with C++/ Session ... Programming with C++/ Session 1/ 2 of 50 Session Objectives ■ Discuss the following: • The Object- Oriented approach • Drawbacks of traditional programming • Object- Oriented programming ■ Discuss ... basic Object- Oriented concepts such as: • Objects • Classes • Properties Object Oriented Programming with C++/ Session 1/ 28 of 50 Felines and Subclasses Felines Actions: Make sounds Eat/drink Hunt...

Ngày tải lên: 16/03/2014, 01:20

Ngày tải lên: 22/08/2013, 14:52

... understanding of objects and designing systems using objects. I have found that just because programmers are using an object- oriented programming language, it doesn't mean they are writing ... encapsulated objects can respond to messages and send their own messages to others objects in response. Objects in the system interact via well-defined messages with other objects in the system. Object ... for OO development, object- oriented designs are inherently easier to design and maintain over time. Object- Oriented Languages There are several object- oriented programming languages available...

Ngày tải lên: 20/12/2013, 21:16

Ngày tải lên: 21/12/2013, 20:15

... 16, 2004 12:23 PM Object- oriented Programming with COBOL 21 2 OO Programming Concepts This chapter describes the key concepts supported by an object- oriented programming language, and how they ... 12:23 PM Object- oriented Programming with COBOL 40 Chapter 3 Using Objects in Programs This is equivalent to the following INVOKE statement: invoke anAccount "getBalance" returning current-balance Invocation ... 124 oppubb.book Page 6 Tuesday, March 16, 2004 12:23 PM Object- oriented Programming with COBOL 4 Part 2: Object- oriented COBOL Programming 3 Using Objects in Programs . . . . . . . . . . . . . . . . ....

Ngày tải lên: 12/02/2014, 23:20

... 94 The Debugging Process 94 Making Repetitious Debugging Easier 95 Using the Visual Studio Debugger 97 Setting a Breakpoint 97 Using a Breakpoint to Examine Variables 98 Single-Stepping the Program ... C# can do for you. flast.indd xxvflast.indd xxv 10/8/2012 8:54:52 AM10/8/2012 8:54:52 AM BEGINNING Object- Oriented Programming with C# Jack Purdum ffirs.indd vffirs.indd v 10/8/2012 8:54:40 ... 1-5. FIGURE 15: The Visual Studio IDE c01.indd 8c01.indd 8 10/8/2012 8:46:48 AM10/8/2012 8:46:48 AM BEGINNING Object- Oriented Programming with C# flast.indd xxxiflast.indd xxxi 10/8/2012 8:54:53 AM10/8/2012...

Ngày tải lên: 15/02/2014, 07:20

... Strings Strings As Class Members A User-Defined String Type The Standard C++ string Class Defining and Assigning string Objects Input/Output with string Objects Finding string Objects Modifying string Objects Comparing ... Objects A Linked List Example A Chain of Pointers Adding an Item to the List Displaying the List Contents Self-Containing Classes Augmenting linklist Pointers to Pointers Sorting Pointers The ... structured programming, the somewhat loosely defined discipline that influenced programming organization for several decades before the advent of Object- Oriented Programming. Problems with Structured Programming As...

Ngày tải lên: 21/02/2014, 06:20

... Intended Audience Object- Oriented Programming with Java is written for first-year college/univer- sity programming courses worldwide. It introduces you to object- oriented design and programming ... 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. Finally, Chapter 12 provides an introduc- tion ... Northeast Compositors, Inc. Text Design: Delgado Design, Inc. Printing and Binding: Courier Westford Cover printing: John Pow Company, Inc. This book was typeset in Quark 4.1 on a Macintosh G4. The font...

Ngày tải lên: 05/03/2014, 13:20

... has been writing books about computer programming since 1982. His best-selling titles include Assembly Language Programming for the IBM PC, C Programming Using Turbo C ++ , C ++ Interactive Course, ... can start with the skeleton program and type in your own lines. If your starting with an existing file, read the section “Starting with Existing Files.” Saving A Project The text you see in the ... the listing, pointing to the opening brace following main. If you want to start somewhere other than the beginning of the program, position the cursor on the line where you want to start debugging....

Ngày tải lên: 05/03/2014, 20:20

... arguments. Object Oriented Programming with C++/ Session 2/ 11 of 37 Pointers to objects  Pointers can point to objects as well as to simple data types.  Declaring a pointer to an object of ... 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++/ Session ... casts: (int)chs; Object Oriented Programming with C++/ Session 2/ 21 of 37 Const with pointers (Contd.)  Also possible to declare a pointer itself as a constant rather than the object pointed...

Ngày tải lên: 16/03/2014, 01:20

... 165 Connecting to MySQL in an OO Way 166 Selecting Data in an OO Way 166 Updating Data in an OO Way 167 Introduction [ 2 ] Chapter 5 focuses on two very important features of object- oriented programming ... Testing 106 Benefits of Unit Testing 107 A small Introduction to Vulnerable Bugs 107 Preparing for Unit Testing 109 Starting Unit Testing 109 Testing an Email Validator Object 112 Unit Testing ... 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 Array...

Ngày tải lên: 22/03/2014, 23:20

... passed from the calling function Object Oriented Programming with C++/ Session 3 / 1 of 35 Function Overloading and References Session 3 Object Oriented Programming with C++/ Session 3/ ... calling program. Object Oriented Programming with C++/ Session 3/ 27 of 35 Scope rules (Contd.) void main() { first object1 ; second object2 ; object1 .display(); //no function overloading ... fn1() fn1() fn1() fn1() fn1(); statements; fn1(); mfunc() ; fn1(); funcy(); main() main() Code repeatedly placed in function Code placed inline Object Oriented Programming with C++/ Session 3/ 13 of 35 Friend Functions (Contd.) class Teacher{ private: int...

Ngày tải lên: 23/03/2014, 04:21

... obj2 are objects of a class. Object Oriented Programming with C++/ Session 4/ 43 of 49 Conversion between Objects (Contd.) objectA = objectB; objectA: object of destination class objectB: object ... constructor is not needed in this approach. Object Oriented Programming with C++/ Session 4/ 5 of 49 Operator Overloading(Contd.) ■ Operation of comparing the objects can be defined in a member function ... object } Object Oriented Programming with C++/ Session 4/ 15 of 49 Using the this pointer ■ Yet another way of returning an object from the member function is by using the this pointer. Sample...

Ngày tải lên: 23/03/2014, 04:21

... value in y. Similar to declaring an object of class engine with the statement, engine eobj(y);  Variables of any data type can be initialised like this. Object Oriented Programming with ... } }; void main() { int m; B obj1; / /object of publicly derived class Object Oriented Programming with C++/ Session 5 / 39 of 41 Container classes (Contd.)  When a class contains an object of ... constructor, separated by a colon, as in, Derived(): Base(){} Object Oriented Programming with C++/ Session 5 / 3 of 41 Single Inheritance  To maintain and reuse class objects easily, we need to be...

Ngày tải lên: 23/03/2014, 04:21

... Beta { }; Object Oriented Programming with C++ / Session 6 / 35 of 44 Dynamic binding (Contd.) ■ Requires some overhead in processing but provides increased power and flexibility in programming. ... base classes in a single class. ■ A multiple inheritance hierarchy represents a combination of its base classes. Object Oriented Programming with C++ / Session 6 / 14 of 44 Multiple Inheritance: ... Using virtual functions. Object Oriented Programming with C++ / Session 6 / 17 of 44 Example class window{ protected: int basedata; }; class border: public window { }; class menu: public window {...

Ngày tải lên: 23/03/2014, 04:21

Ngày tải lên: 30/03/2014, 02:20