May 2013
Beginner
696 pages
47h 10m
English
Content preview from Visual Basic® 2012 How to Program, Sixth Edition
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9. Object-Oriented Programming: Classes and Objects
Nothing can have value without being an object of utility.
—Karl Marx
Your public servants serve you right.
—Adlai E. Stevenson
Objectives
In this chapter you’ll:
• Declare a class and use it to create an object.
• Implement a class’s behaviors as methods.
• Implement a class’s attributes as instance variables and properties.
• Use a constructor to ensure that an object’s attributes are initialized.
• Use properties to ensure that only valid data is placed in attributes.
• Construct new classes that reuse existing classes via composition.
• Implement classwide information with Shared class variables.
• Use the Object Browser to discover the capabilities of the classes in the .NET Framework ...
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