A Programmer’s Guide to C# 5.0 by Eric Gunnerson

By Eric Gunnerson

A Programmer's advisor to C# 5.0 is a ebook for software program builders who are looking to really comprehend C#. even if you will have labored with C# sooner than or with one other general-purpose programming language, each one fast paced, targeted bankruptcy will take you instantly to the center of a characteristic of C# and exhibit you why it really works how it does.

Written by way of one-time C# attempt Lead, software supervisor, and member of the unique C# language layout crew, this publication is a perfect significant other to the C# Language Specification, and works either as an instructional and as a reference consultant. Now in its fourth version, you'll find updated assurance of all of the most recent C# gains, together with Linq, covariance and contravariance, and async support.

You'll learn the way to:

  • Use C# gains successfully, within the means they have been meant
  • Apply the latest C# gains in your coding difficulties
  • Streamline your database code utilizing LINQ
  • Use async help and the duty parallel library to enhance functionality.
  • Program extra successfully, successfully, and with actual perception into this mature and intriguing language, with A Programmer's consultant to C# 5.0.

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Extra info for A Programmer’s Guide to C# 5.0

Sample text

We’ll talk more about structs in Chapter 8. m_y); } } In this example, there is a class named Point, with two integers in the class named m_x and m_y. These members are public, which means that their values can be accessed by any code that uses the class. In addition to the data members, there is a constructor for the class, which is a special function that is called to help construct an instance of the class. The constructor takes two integer parameters. It is called in the Main() method. In addition to the Point class, there is a Test class that contains a Main function that is called to start the program.

Basic Data Types in C# Type Size in Bytes Runtime Type Description byte 1 Byte Unsigned byte sbyte 1 SByte Signed byte short 2 Int16 Signed short ushort 2 UInt16 Unsigned short int 4 Int32 Signed integer uint 4 UInt32 Unsigned int long 8 Int64 Signed big integer ulong 8 UInt64 Unsigned big integer float 4 Single Floating point number double 8 Double Double-precision floating point number decimal 8 Decimal Fixed-precision number string Variable String Unicode string char 2 Char Unicode character bool 1 Boolean Boolean value The distinction between basic (or built-in) types and user-defined ones is largely an artificial one, as user-defined types can operate in the same manner as the built-in ones.

Because the integer is declared without specifying how accessible it is, it’s private to the VerySimple class and can’t be referenced outside the class. The private modifier could be specified to state this explicitly. The integer m_simpleValue is a member of the class; there can be many different types of members, and a simple variable that is part of the class is known as a field. In the Main() function, the system creates an instance of the class and returns a reference to the instance. 1 There is no need to specify when an instance is no longer needed.

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