ObjectOriented Programming
Short summary:
Visual Basic .NET and ObjectOriented Programming | 3. Visual Basic . ... Visual Basic .NET is a fully objectoriented programming language which means it ...
Long summary:
ObjectOriented ProgrammingPage 1Developing Robust & Scalable Objects with OOPJ.P. HamiltonObjectOrientedProgrammingwith Visual Basic .NETPage 2ObjectOriented Programmingwith Visual Basic .NETJ.P. HamiltonBeijingCambridgeFarnhamKlnParisSeb astopolTaipeiTokyoPage 3This is the Title of the Book eMatter EditionCopyright 2002 OReilly & Associates Inc. All rights reserved.1Chapter 1ttttttttttttttttttttttttttttttttttttttttt tttttttttttttttttttttttttCHAPTER 1IntroductionTo understand the world of objectoriented programming look at the world aroundyou for a moment. You might see vacuum cleaners coffee makers ceiling fans and ahost of other objects. Everywhere you look objects surround you.Some of these objects such as cameras operate independently. Some such as telephones and answering machines interact with one another. Some objects containdata that persists between uses like the address book in a cell phone. Some objectscontain other objects like an icemaker inside of the freezer.Many objects are similar in function but different in purpose. Bathtubs and kitchensinks for example both provide water and are used for cleaning. But it is a rare occasion when you will take a bath in the kitchen sink or wash your dishes in the tub.However the bathtub and the kitchen sink in your house probably share the sameplumbing. Certainly they share a common interface: hot and cold water knobs afaucet and a drain.When you think about it what is the difference between a sink and a bathtub? Thelocation? The size of the basin? Their heights off the ground? How many more similarities are there than differences?Sometimes the same action causes an object to do different things depending on thecontext of the situation. When you press Play on the remote the DVD might play amovie on the television. But if a CD is in the player it plays music out of the speakers. Same button same actiondifferent results. When you flip the switch on theback porch the light comes on. But the switch in the kitche ...
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