4101. Object-Oriented
Programming in C#
Rev. 4.8
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 thorough and comprehensive 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).
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.
LEARNING OBJECTIVES
·
Acquire a working knowledge of C# programming
·
Learn how to implement programs using C# and
classes from the .NET Framework
·
Learn how to implement simple GUI programs using
Windows Forms
·
Gain a working knowledge of dynamic data type,
named and optional arguments, and other new features in C# 4.0.
·
Learn how to do asynchronous programming using
new keywords in C# 5.0.
·
Become aware of new features in C# 6.0 and C#
7.0.
Course Duration: 5
days.
Prerequisites: The student should have programming
experience in a high-level language.
1.
NET: What You Need To Know
.NET Executables and the CLR
A .NET Testbed for C# Programming
Using Visual Studio 2017
2.
First C# Programs
Hello, World
Namespaces
Variables and Expressions
Using C# as a Calculator
Input/Output in C#
.NET Framework Class Library
3.
Data Types in C#
Data Types
Integer Types
Floating Point Types
Decimal Type
Characters and Strings
Boolean Type
Conversions
Nullable Types
4.
Operators and Expressions
Operator Cardinality
Arithmetic Operators
Relational Operators
Logical Operators
Bitwise Operators
Assignment Operators
Expressions
Checked and Unchecked
5.
Control Structures
If Tests
Loops
Arrays
Foreach
More about Control Flow
Switch
6.
Object-Oriented Programming
Objects
Classes
Inheritance
Polymorphism
Object-Oriented Languages
Components
7.
Classes
Classes as Structured Data
Methods
Constructors and Initialization
Static Fields and Methods
Constant and Readonly
8.
More about Types
Overview of Types in C#
Value Types
Boxing and Unboxing
Reference Types
Implicitly Typed Variables
9.
Methods, Properties and Operators
Methods
Parameter Passing
Method Overloading
Variable-Length Parameter Lists
Properties
Auto-Implemented Properties
Operator Overloading
10. Characters
and Strings
Characters
Strings
String Input
String Methods
StringBuilder Class
Programming with Strings
11. Arrays
and Indexers
Arrays
System.Array
Random Number Generation
Jagged Arrays
Rectangular Arrays
Arrays as Collections
Bank Case Study—Step 1
Indexers
12. Inheritance
Single Inheritance
Access Control
Method Hiding
Initialization
Bank Case Study—Step 2
13. 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
14. Formatting
and Conversion
ToString
Format Strings
String Formatting Methods
Bank Case Study—Step 4
Type Conversions
15. Exceptions
Exception Fundamentals
Structured Exception Handling
User-Defined Exception Classes
Inner Exceptions
Bank Case Study—Step 5
16. Interfaces
Interface Fundamentals
Programming with Interfaces
Using Interfaces at Runtime
Bank Case Study—Step 6
Resolving Ambiguities
17. .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
18. Delegates
and Events
Delegates
Anonymous Methods
Lambda Expressions
Events
19. Introduction
to Windows Forms
Creating Windows Applications Using Visual Studio 2017
Partial Classes
Buttons, Labels and Textboxes
Handling Events
Listbox Controls
20. 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.