Object-Oriented Programming in C#, Visual Studio 2017 – 5 Days

Course Description – Object-Oriented Programming in C#, Visual Studio 2017

This thorough and comprehensive Object-Oriented Programming in C# course is a practical introduction to programming in C#, utilizing the services provided by .NET. This course emphasizes the C# language. It is current to Visual Studio 2017, .NET Framework 4.7 and C# 7.0. Important newer features such as dynamic data type, named and optional arguments, the use of variance in generic interfaces, asynchronous programming keywords, and tuples are covered in a final chapter. A supplement covers the fundamentals of Language Integrated Query (LINQ).

Microsoft’s .NET is a revolutionary advance in programming technology that greatly simplifies application development and is a good match for the emerging paradigm of Web-based services, as opposed to proprietary applications. Part of this technology is the new language from Microsoft, C#. This language combines the power of C++ and the ease of development of Visual Basic 6. It bears a striking resemblance to Java and improves on that language. C# has become the dominant language for building new applications on Microsoft platforms.

This course is intended to be fully accessible to programmers who do not already have a strong background in object-oriented programming in C-like languages, such as C++ or Java. It is ideal, for example, for procedural programmers who desire to learn C#.

An important thrust of the course is to teach C# programming from an object-oriented perspective. It is often difficult for programmers trained originally in a procedural language to start “thinking in objects.” This course introduces object-oriented concepts early, and C# is developed in a way that leverages its object orientation. A case study is used to illustrate creating a complete system using C# and .NET. Besides supporting traditional object-oriented features, such as classes, inheritance, and polymorphism, C# introduces several additional features, such as properties, indexers, delegates, events, and interfaces that make C# a compelling language for developing object-oriented and component-based systems. This course provides thorough coverage of all these features.

C# as a language is elegant and powerful. But to utilize its capabilities fully, you need to have a good understanding of how it works with the .NET Framework. The course explores several important interactions between C# and the .NET Framework, and it includes an introduction to major classes for collections, delegates, and events. It includes a succinct introduction to creating GUI programs using Windows Forms. The course concludes with a chapter covering the newer features in the language through C# 7.0.

Numerous programming examples and exercises are provided, including the case study. The student will receive a comprehensive set of materials, including course notes and all the programming examples.

The course includes four electronic supplements, provided as PDF files. They cover Visual Studio 2017, Language Integrated Query (LINQ), unsafe code and the C# pointer type, and .NET 4.7.

What You Will Learn

Gain a thorough understanding of the philosophy and architecture of .NET Core
Understand packages, metapackages and frameworks
Acquire a working knowledge of the .NET programming model
Implement multi-threading effectively in .NET applications

Prerequisites

The student should have programming experience in a high-level language.

Outline

NET: What You Need To Know

.NET Executables and the CLR

A .NET Testbed for C# Programming

Using Visual Studio 2017

First C# Programs

Hello, World

Namespaces

Variables and Expressions

Using C# as a Calculator

Input/Output in C#

.NET Framework Class Library

Data Types in C#

Data Types

Integer Types

Floating Point Types

Decimal Type

Characters and Strings

Boolean Type

Conversions

Nullable Types

Operators and Expressions

Operator Cardinality

Arithmetic Operators

Relational Operators

Logical Operators

Bitwise Operators

Assignment Operators

Expressions

Checked and Unchecked

Control Structures

If Tests

Loops

Arrays

Foreach

More about Control Flow

Switch

Object-Oriented Programming

Objects

Classes

Inheritance

Polymorphism

Object-Oriented Languages

Components

Classes

Classes as Structured Data

Methods

Constructors and Initialization

Static Fields and Methods

Constant and Readonly

More about Types

Overview of Types in C#

Value Types

Boxing and Unboxing

Reference Types

Implicitly Typed Variables

Methods, Properties and Operators

Methods

Parameter Passing

Method Overloading

Variable-Length Parameter Lists

Properties

Auto-Implemented Properties

Operator Overloading

Characters and Strings

Characters

Strings

String Input

String Methods

StringBuilder Class

Programming with Strings

Arrays and Indexers

Arrays

System.Array

Random Number Generation

Jagged Arrays

Rectangular Arrays

Arrays as Collections

Bank Case Study—Step 1

Indexers

Inheritance

Single Inheritance

Access Control

Method Hiding

Initialization

Bank Case Study—Step 2

Virtual Methods and Polymorphism

Virtual Methods and Dynamic Binding

Method Overriding

Fragile Base Class Problem

Polymorphism

Abstract Classes

Sealed Classes

Heterogeneous Collections

Bank Case Study—Step 3

Formatting and Conversion

ToString

Format Strings

String Formatting Methods

Bank Case Study—Step 4

Type Conversions

Exceptions

Exception Fundamentals

Structured Exception Handling

User-Defined Exception Classes

Inner Exceptions

Bank Case Study—Step 5

Interfaces

Interface Fundamentals

Programming with Interfaces

Using Interfaces at Runtime

Bank Case Study—Step 6

Resolving Ambiguities

.NET Interfaces and Collections

Collections

Bank Case Study—Step 7

IEnumerable and IEnumerator

Copy Semantics and ICloneable

Comparing Objects

Generic Types

Type-Safe Collections

Object Initializers

Collection Initializers

Anonymous Types

Bank Case Study—Step 8

Delegates and Events

Delegates

Anonymous Methods

Lambda Expressions

Events

Introduction to Windows Forms

Creating Windows Applications Using Visual Studio 2017

Partial Classes

Buttons, Labels and Textboxes

Handling Events

Listbox Controls

Newer Features in C#

Dynamic Data Type

Named Arguments

Optional Arguments

Variance in Generic Interfaces

Asynchronous Programming Keywords

New Features in C# 6.0 and C# 7.0

Appendix A. Learning Resources

Electronic File Supplements

Supplement 1. Using Visual Studio 2017

Signing in to Visual Studio

Overview of Visual Studio 2017

Creating a Console Application

Project Configurations

Debugging

Multiple-Project Solutions

Supplement 2. Language Integrated Query (LINQ)

What Is LINQ?

Basic Query Operators

Filtering

Ordering

Aggregation

Supplement 3. Unsafe Code and Pointers in C#

Unsafe Code

C# Pointer Type

Supplement 4. Using .NET Framework 4.7

Installing .NET Framework 4.7

DirectX Dependency

New Features in .NET 4.7

System Requirements

Course examples require Microsoft Visual Studio 2017 and Windows 7sp1 or higher. The free Visual Studio Community 2017 can be used. For .NET 4.7 support the .NET Framework 4.7 Developer Pack is required. See the appropriate course Setup Guide for details.

A good minimal hardware profile for this course consists of a 2 GHz or better CPU, 2 GB of RAM (4 GB recommended), and at least 10 GB of free disk space for tools installation and courseware.

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