C# 6 and .NET Core 1.0: Modern Cross-Platform Development

NZ$14.99 ~~NZ$64.99~~

3.8 (11 Ratings)

eBook Mar 2016 550 pages 1st Edition

eBook

NZ$14.99 ~~NZ$64.99~~

NZ$14.99 ~~NZ$64.99~~

3.8 (11 Ratings)

eBook Mar 2016 550 pages 1st Edition

eBook

NZ$14.99 ~~NZ$64.99~~

NZ$14.99 ~~NZ$64.99~~

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C# 6 and .NET Core 1.0

Chapter 2. Speaking C#

This chapter is about the C# language—the grammar and vocabulary that you will use every day to write the source code for your applications.

Programming languages have many similarities to human languages, except that in programming languages, you can make up our own words, just like Dr. Seuss!

"And then, just to show them, I'll sail to Ka-Troo
And bring back an It-Kutch a Preep and a Proo
A Nerkle a Nerd and a Seersucker, too!"
If I Ran the Zoo

To learn to speak C#, you need to create some simple applications. To avoid overloading you with too much information too soon, the first few chapters of this book will use the simplest type of application: a console application.

This chapter covers the following topics:

Understanding C# basics
Declaring variables
Building console applications
Operating on variables

Declaring variables

All applications process data. Data comes in, data is processed, and data goes out.

Data usually comes into our program from files, databases, or user input. Data can be put temporarily in variables that will be stored in the memory of the running program. When the program ends, the data in memory is lost. Data is usually output to files and databases or to the screen or a printer.

When using variables, you should think about, first, how much space it takes in memory, and, next, how fast it can be processed.

We control this by picking an appropriate type. You can think of simple common types such as int and double as being differently sized storage boxes. A smaller box would take less memory but may not be processed as quickly.

Naming variables

There are naming conventions for variables and it is best practice to follow them, as shown in the following table:

Naming convention	Examples	Usage
Camel case	`cost`, `orderDetail`, `dateOfBirth`	Local variables and private members...

Key benefits

• Build modern, cross-platform applications with .NET Core 1.0
• Get up-to-speed with C#, and up-to-date with all the latest features of C# 6
• Start creating professional web applications with ASP.NET Core 1.0

Description

With the release of .NET Core 1.0, you can now create applications for Mac OS X and Linux, as well as Windows, using the development tools you know and love. C# 6 and .NET Core 1.0 has been divided into three high-impact sections to help start putting these new features to work. First, we'll run you through the basics of C#, as well as object-orient programming, before taking a quick tour through the latest features of C# 6 such as string interpolation for easier variable value output, exception filtering, and how to perform static class imports. We'll also cover both the full-feature, mature .NET Framework and the new, cross-platform .NET Core. After quickly taking you through C# and how .NET works, we'll dive into the internals of the .NET class libraries, covering topics such as performance, monitoring, debugging, internationalization, serialization, and encryption. We'll look at Entity Framework Core 1.0 and how to develop Code-First entity data models, as well as how to use LINQ to query and manipulate that data. The final section will demonstrate the major types of applications that you can build and deploy cross-device and cross-platform. In this section, we'll cover Universal Windows Platform (UWP) apps, web applications, and web services. Lastly, we'll help you build a complete application that can be hosted on all of today's most popular platforms, including Linux and Docker. By the end of the book, you'll be armed with all the knowledge you need to build modern, cross-platform applications using C# and .NET Core.

Who is this book for?

Are you struggling to get started with C#? Or maybe you're interested in the potential of the new cross-platform features that .NET Core can offer? If so, C# 6 and .NET Core 1.0 is the book for you. While you don't need to know any of the latest features of C# or .NET to get started, it would be beneficial if you have some programming experience.

What you will learn

• Build cross-platform applications using C# 6 and .NET Core 1.0
• Explore ASP.NET Core 1.0 and learn how to create professional web applications
• Improve your application's performance using multitasking
• Use Entity Framework Core 1.0 and learn how to build Code-First databases
• Master object-oriented programming with C# to increase code reuse and efficiency
• Familiarize yourself with cross-device app development using the Universal Windows Platform and XAML
• Query and manipulate data using LINQ
• Protect your data by using encryption and hashing

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Morten Grue Sørensen Mar 28, 2016

An outstanding book for learning C#, without trying to be a complete guide to every small detail as so many other programming books out there, as Mark writes in the intro:"There are many C# books, some, more than a thousand pages long, that aim to be comprehensive references to the C# programming language and the .NET Framework. This book is different. [...] I will point out the cool corners and gotchas of C# so you can impress colleagues and employers and quickly get productive. Rather than slowing down and boring some of you by explaining every little thing, I assume that if a term I use is new to you, then you know how to Google it..."This approach, and mindset, makes the book a much better read, without compromising the essential parts of C# that you need to learn.The book starts from the very beginning, and will allow people with very little programming experience to pick up this book and just follow it step by step to learn C# 6. While at the same time enabling experienced C# programmers to read over the basic parts fast only stopping to get the "What's new in C# 6 and .NET Core 1.0"-parts. And enabling a relatively fast read for catching up on the direction .NET is going.The structure, examples and small anecdotes in the book represents the fact that Mark is an excellent teacher as well as author. Having had Mark as instructor on a C# course, i can say this book represents a vast knowledge of C# and how to teach it.

Amazon Verified review

m May 27, 2016

Love it. Very focused on c sharp ver 6. Made new futures looks very very easy. This is just an intro book . If you really want to know how deep, dark and complicated c-sharp is, try any video by. Scott Allen for Pluralsight . Best teacher ever who don't compromise.

BenN Apr 01, 2016

A simple, yet technically detailed read. This book builds from the ground up to offer the reader a complete understanding of .Net, with easy to follow examples and well written explanations of core concepts.

Doug Rees Mar 28, 2016

Really excellent book for anyone who wants to learn C#. Clear, concise examples with easy to reproduce steps that even those new to C# can follow and haven't spotted any mistakes which is great! I think as long as you have some basic programming knowledge of another language, you can pick this book up and follow it through without any problems.The only thing I would say is that if you are very familiar with C#, and you are looking for a book to tell you what's new in version 6 or .NET Core 1.0, then the majority of this book will be revisiting old territory for you. But if you haven't spent much time yet with C#, then this is a really good book covering all the basics plus some advanced features like multi-threading etc.

DPOutEast Oct 26, 2016

To me, this is the best tutorial-type book to gain a broad overview of C#. It provides an added bonus of providing an introduction to .NET Core, part of Microsoft's revamping of the .NET Framework.I've tried to learn C# via several books, but the others gave too many details or had poor example programs and became ponderous, boring, or discouraging. To me, this book is easy to read and follow, does a good job of presenting the various necessary aspects of C#, and uses interesting examples and good repetition so that you end up with a good foundation from which to start writing serious programs and dig deeper as necessary. The author's inclusion of links to other materials at the end of each chapter help with starting that deeper dive.Though I gave up trying to learn C# via the other books I tried, I have no doubt that I will continue all the way through this book. Using it is truly enjoyable and encouraging.

C# 6 and .NET Core 1.0: Modern Cross-Platform Development

What do you get with eBook?

C# 6 and .NET Core 1.0

Chapter 2. Speaking C#

Understanding C# basics

Declaring variables

Naming variables

Building console applications

Displaying output to the user

Operating on variables

Experimenting with unary operators

Practicing and exploring

Exercise 2.1 – test your knowledge

Exercise 2.2 – practice number sizes and ranges

Tip

Understanding C# basics

Page 1 of 7

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