By Christian Gross

This publication is for a person who desires to write stable C# 2008 code - no matter if you could have by no means programmed earlier than. Writing strong code could be a problem, there are such a lot of techniques, specifically in a language like C#. so as to fairly get the easiest from a programming language you must be aware of which gains paintings most sensible within which occasions and comprehend their strengths and weaknesses. it really is this knowing that makes the adaptation among coding and coding good. starting C# 2008 has been written to educate you ways to exploit the C# programming language to resolve difficulties. From the earliest chapters, and from the 1st introductory innovations, you may be taking a look at real-world programming demanding situations and studying how C# can be utilized to beat them. As you move throughout the e-book the issues turn into extra concerned and engaging whereas the ideas turn into correspondingly extra advanced and strong as C# gains engage to accomplish the consequences that you really want. by the point you will have complete studying this publication and labored during the pattern routines, you may be a convinced and extremely powerfuble C# programmer. you'll nonetheless have many explorations of the .NET Framework API to seem ahead to on your destiny occupation, yet you might have an organization starting place to construct from and you may comprehend precisely the place to visit locate the issues it's good to growth hopefully on your tasks. What you are going to learn
- every thing to get you began with C# 2008 from scratch - from fitting the instruments to writing your first applications.
- the entire center suggestions of .NET 3.5 programming: from choice bushes to info buildings, exceptions to lambda expressions and from gadgets to components.
- study what LINQ is, why sensible programming may be very important, how generics make your existence more uncomplicated and lots more and plenty, a lot, more!
Who is that this ebook for?
This publication is for an individual who is simply beginning out to benefit approximately C#. It does not suppose any previous wisdom of object-oriented programming, of the .NET Framework, or of coding ordinarily. It easily assumes that you are an clever one that desires to examine and begins the adventure from there. concerning the Apress starting sequence the start sequence from Apress is the correct option to get the data you must land that the most important entry-level activity. those books will train you a regular and critical expertise from the floor up simply because they're explicitly designed to take you from "novice to professional." you will begin your trip via seeing what you want to know--but with no useless conception and filler. you will construct your ability set by way of studying find out how to prepare real-world initiatives step-by-step. So even if your target is your subsequent occupation problem or a brand new studying chance, the start sequence from Apress will take you there--it is your depended on consultant via strange territory!

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To you, these three numbers are identical. But in the context of the source code, they are not identical. 0" is a string. When you want to add, subtract, or otherwise manipulate pieces of data, they should be the same types; otherwise, you might run into consistency errors. Type-safe programming languages help avoid such problems. NET number types are discussed in more detail in the “Understanding the CLR Numeric Types” section later in this chapter. The declaration of Add() says that we need to pass in two integer-based numeric values, and the method returns an integer-based numeric value.

NET NUMBER AND VALUE TYPES piece of code calls the Add() method. The other piece of code must use the same types as the declaration. Figure 2-7 shows a piece of code that calls the Add() method, which we’ll do from another application in the next section. Figure 2-7. The Add() method is called by referencing the namespace and class containing the method. A period is used to separate the identifiers. The caller must do two things: • Reference the correct combination of namespace, class, and method identifiers.

WriteLine() call, we would need to scroll through the text to find the message to change. A variable is perfect for this, as we can define some data (the message to print), and then use it later in our program. WriteLine(message); } } } Here, we’ve defined a variable called message of type string (a string is a length of text). We can then refer to the message variable later when we want to place its contents into the code. WriteLine() call, which works as before. This time, however, we have set the message to display in a separate statement.

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