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Programming in C#: Exam 70-483 (MCSD) Guide

Programming in C#: Exam 70-483 (MCSD) Guide

By : Bhalla, Gorthi
3 (1)
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Programming in C#: Exam 70-483 (MCSD) Guide

Programming in C#: Exam 70-483 (MCSD) Guide

3 (1)
By: Bhalla, Gorthi

Overview of this book

Programming in C# is a certification from Microsoft that measures the ability of developers to use the power of C# in decision making and creating business logic. This book is a certification guide that equips you with the skills that you need to crack this exam and promote your problem-solving acumen with C#. The book has been designed as preparation material for the Microsoft specialization exam in C#. It contains examples spanning the main focus areas of the certification exam, such as debugging and securing applications, and managing an application's code base, among others. This book will be full of scenarios that demand decision-making skills and require a thorough knowledge of C# concepts. You will learn how to develop business logic for your application types in C#. This book is exam-oriented, considering all the patterns for Microsoft certifications and practical solutions to challenges from Microsoft-certified authors. By the time you've finished this book, you will have had sufficient practice solving real-world application development problems with C# and will be able to carry your newly-learned skills to crack the Microsoft certification exam to level up your career.
Table of Contents (22 chapters)
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17
Mock Test 1
18
Mock Test 2
19
Mock Test 3

Consuming data types in C#

C# is a strongly-typed language. This basically means that, when we declare a variable with a particular data type, as in the following example, we cannot declare the x variable again:

int x = 5;

In addition to this, we cannot assign to this x variable any value that is not an integer. Hence, the following statement will give us an error:

x = "Hello";

To overcome this strongly typed feature, C# provides some capabilities when we are consuming a type. This includes boxing and unboxing of value type variables, use of the dynamics keyword, and implicit and explicit conversion of a variable of one data type to a variable of a different data type. Let's go through each of these concepts and understand how they work in C#.

Boxing and unboxing

...

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