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Accelerated VB 2008 (Accelerated) by Guy Fouché, Trey Nash

By Guy Fouché, Trey Nash

Speeded up VB 9.0 is the quickest route to VB mastery. All VB programmers want to know and know the way VB particularly works yet only a few books handle this. None disguise it within the intensity that this does. It teaches either center VB language ideas and the way to exploit them in high-performance code. All programmers relocating to VB from any language or relocating as much as VB 9.0 from VB 2005 will locate this e-book really worth procuring, interpreting, and utilizing as a reference.

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Well, to be more precise, VB can be a strongly typed language. Strong typing means that every variable and object instance that’s declared must be of a welldefined type. A strongly typed language provides rules for how variables of different types can interact with each other. Strongly typed variables enable the compiler to check that the operations being performed on variables and objects are valid. For example, suppose you have a method that computes the average of two integers and returns the result.

The access modifier in front of the Class keyword, in this case Public, controls the visibility of the type from inside and outside of the assembly. The class Customer is publicly accessible, which means that you can create instances of this class. The Customer class contains two fields, a constructor, two properties, and one function. The property methods allow read/write access to the fields, and the function is used to save the customer to a database. Constructors Constructors are called when an object is created.

As we progress through this chapter, we’ll discuss types and variables in more detail. Chapters 3 and 4 will continue the discussion in greater depth. Strong Typing VB is a strongly typed language. Well, to be more precise, VB can be a strongly typed language. Strong typing means that every variable and object instance that’s declared must be of a welldefined type. A strongly typed language provides rules for how variables of different types can interact with each other. Strongly typed variables enable the compiler to check that the operations being performed on variables and objects are valid.

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