Book Image

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

By : Simaranjit Singh Bhalla, SrinivasMadhav Gorthi

Book Image

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

By: Simaranjit Singh Bhalla, SrinivasMadhav 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.

Preface

Who this book is for

What this book covers

To get the most out of this book

Free Chapter

Learning the Basics of C#

Learning the Basics of C#

Technical requirements

Comparing C# with C and C++

.NET Framework release versions

Visual Studio for C#

Basic structure of C#

Creating a basic program in C#

Understanding Classes, Structures, and Interfaces

Understanding Classes, Structures, and Interfaces

Technical requirements

Access modifiers

Data types in C#

Structs versus classes

Interfaces and inheritance

Understanding Object-Oriented Programming

Understanding Object-Oriented Programming

Technical requirements

Understanding object-oriented programming

Understanding encapsulation

Understanding abstraction

Understanding inheritance

Understanding polymorphism

Implementing Program Flow

Implementing Program Flow

Technical requirements

Understanding operators

Understanding conditional/selection statements

Iteration statements

Further reading

Creating and Implementing Events and Callbacks

Creating and Implementing Events and Callbacks

Technical requirements

Understanding delegates

Instantiating a delegate

Variance in delegates

Handling and raising events

Further reading

Managing and Implementing Multithreading

Managing and Implementing Multithreading

Technical requirements

Understanding threads and the threading process

Synchronizing data in multithreading

Further reading

Implementing Exception Handling

Implementing Exception Handling

Technical requirements

Exceptions and handling exceptions in code

Compiler-generated exceptions

Custom exceptions

Further reading

Creating and Using Types in C#

Creating and Using Types in C#

Technical requirements

Consuming data types in C#

Enforcing encapsulation

Manipulating strings

Overview of reflection

Managing the Object Life Cycle

Managing the Object Life Cycle

Technical requirements

Managed code versus unmanaged code

Garbage collection

Managing unmanaged resources

The IDisposable interface

Find, Execute, and Create Types at Runtime Using Reflection

Find, Execute, and Create Types at Runtime Using Reflection

Technical requirements

Validating Application Input

Validating Application Input

Technical requirements

The importance of validating input data

Parsing and converting

Regular expressions

Performing Symmetric and Asymmetric Encryption

Performing Symmetric and Asymmetric Encryption

Technical requirements

Symmetric encryption

Asymmetric encryption

Digital signatures

Managing Assemblies and Debugging Applications

Managing Assemblies and Debugging Applications

Technical requirements

Debugging the C# application

Performing I/O Operations

Performing I/O Operations

Technical requirements

File I/O operations

Reading data from a network

Using LINQ Queries

Using LINQ Queries

Technical requirements

Introducing LINQ

Understanding language features that make LINQ possible

Understanding LINQ query operators

Understanding LINQ behind the scenes

Using LINQ to XML

Serialization, Deserialization, and Collections

Serialization, Deserialization, and Collections

Technical requirements

Serialization and deserialization

Working with collections

Choosing a collection

Mock Test 1

Mock Test 2

Mock Test 3

Assessments

Chapter 17 – Mock Test 1

Chapter 18 – Mock Test 2

Chapter 19 – Mock Test 3

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Data integrity

While working on any application, it is very important to design it in such a way that it handles all scenarios, or at least provides user-friendly messages to users on what went wrong. We have already learned about exception handling in Chapter 7, Implementing Exception Handling, which can be handy in such scenarios.

While working on a database or distributed applications, data integrity plays a vital role.

Data integrity applies differently in different scenarios:

For example, if you are creating an application and storing user information in a table, one of the principles you may adopt might be to not maintain duplicate users in the table so that they are uniquely identifiable. This is termed entity integrity.
In a scenario where you are collecting demographic information, you may allow certain values, or ranges of values, in specific fields. This is termed...