By Herbert Schildt
Crucial Skills--Made Easy!Let grasp programmer and bestselling writer Herb Schildt educate you the basics of C#, Microsoft's most desirable programming language for the .NET Framework. you are going to commence through studying to create, bring together, and run a C# software. Then it is directly to information varieties, operators, keep an eye on statements, tools, periods, and items. you will additionally find out about inheritance, interfaces, houses, indexers, exceptions, occasions, namespaces, generics, and masses extra. after all, new C# 3.0 gains, similar to LINQ, lambda expressions, and nameless kinds, are integrated. begin programming in C# 3.0 at the present time with aid from this fast moving, hands-on tutorial.Designed for simple studying: Key talents & Concepts--Lists of particular talents coated within the bankruptcy Ask the Expert--Q&A sections choked with bonus info and valuable tips test This--Hands-on routines that express the right way to follow your skillsNotes--Extra details on the topic of the subject being coveredSelf-Tests--Chapter-ending quizzes to check your knowledgeAnnotated Syntax--Example code with observation that describes the programming thoughts being illustrated
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Extra resources for C# 3.0: A Beginner's Guide (Beginner's Guide (Osborne Mcgraw Hill))
However, if you declared this to be a ushort, then when the high-order bit was set to 1, the number would become 65,535. Probably the most commonly used integer type is int. Variables of type int are often employed to control loops, to index arrays, and for general-purpose integer math. When you need an integer that has a range greater than int, you have many options. If the value you want to store is unsigned, you can use uint. For large signed values, use long. For large unsigned values, use ulong.
WriteLine("Summation of 100 is " + sum); } } The output from the program is shown here: Summation of 100 is 5050 Since the for loop runs only from 0 to 100, which is well within the range of a byte, there is no need to use a larger type variable to control it. Of course, byte could not have been used to hold the result of the summation because 5050 is far outside its range. This is why sum is an int. When you need an integer that is larger than a byte or sbyte but smaller than an int or uint, use short or ushort.
All C# applications begin execution by calling Main( ). The complete meaning of each part of this line cannot be given now, since it involves a detailed understanding of several other C# features. However, since many of the examples in this book will use this line of code, a brief explanation is warranted. The line begins with the keyword static. A method that is modified by static can be called before an object of its class has been created. This is necessary because Main( ) is called at program startup.