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

By Eric Gunnerson

ISBN-10: 143024593X

ISBN-13: 9781430245933

ISBN-10: 1430245948

ISBN-13: 9781430245940

A Programmer's consultant to C# 5.0 is a publication for software program builders who are looking to really comprehend C#. even if you've got labored with C# prior to or with one other general-purpose programming language, each one fast moving, concentrated bankruptcy will take you instantly to the center of a function of C# and express you why it really works how it does.

Written by means of one-time C# attempt Lead, software supervisor, and member of the unique C# language layout workforce, this publication is a perfect spouse to the C# Language Specification, and works either as an instructional and as a reference advisor. Now in its fourth variation, you can find updated assurance of the entire most recent C# gains, together with Linq, covariance and contravariance, and async support.

You'll learn the way to:

  • Use C# beneficial properties successfully, within the means they have been meant
  • Apply the latest C# good points for 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 genuine 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

Example text

There are two ways around this. WriteLine("myPoint({0}, {1})", x, y); } } The code now compiles, but the variables are initialized to zero only to be overwritten in the call to GetPoint(). 5 ■■Note It’s fairly uncommon to use ref or out parameters in C#. If you find yourself wanting to use them, I suggest taking a step back and seeing if there isn’t a better solution. Overloading Sometimes it may be useful to have two functions that do the same thing but take different parameters. This is especially common for constructors, when there may be several ways to create a new instance.

This is called Caller Confuse because while the object is in a valid state after the exception occurs, the caller often has little information to go on. In this case, the exception information says that a DivideByZeroException occurred somewhere in the called function, without giving any insight into the details of the exception or how it might be fixed. 37 Chapter 5 ■ Exception Handling If the information in the exception is sufficient for the caller to understand what has happened, this is the preferred behavior.

The constructor will set the values for m_x and m_y. The remainder of the lines of Main() print out the values of m_x and m_y. In this example, the data fields are accessed directly. This is usually a bad idea, because it means that users of the class depend on the names of fields, which constrains the modifications that can be made later. In C#, rather than writing a member function to access a private value, a property would be used, which gives the benefits of a member function while retaining the user model of a field.

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

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