Object-Oriented Programming in C#

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This thorough and comprehensive 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 lesson. 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 lesson 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.

Goals
  1. Acquire a working knowledge of C# programming.
  2. Learn how to implement programs using C# and classes from the .NET Framework.
  3. Learn how to implement simple GUI programs using Windows Forms.
  4. Gain a working knowledge of dynamic data type, named and optional arguments, and other new features in C# 4.0.
  5. Learn how to do asynchronous programming using new keywords in C# 5.0.
  6. Become aware of new features in C# 6.0 and C# 7.0.
Outline
  1. NET: What You Need To Know
    1. .NET Executables and the CLR
    2. A .NET Testbed for C# Programming
    3. Using Visual Studio 2017
  2. First C# Programs
    1. Hello, World
    2. Namespaces
    3. Variables and Expressions
    4. Using C# as a Calculator
    5. Input/Output in C#
    6. .NET Framework Class Library
  3. Data Types in C#
    1. Data Types
    2. Integer Types
    3. Floating Point Types
    4. Decimal Type
    5. Characters and Strings
    6. Boolean Type
    7. Conversions
    8. Nullable Types
  4. Operators and Expressions
    1. Operator Cardinality
    2. Arithmetic Operators
    3. Relational Operators
    4. Logical Operators
    5. Bitwise Operators
    6. Assignment Operators
    7. Expressions
    8. Checked and Unchecked
  5. Control Structures
    1. If Tests
    2. Loops
    3. Arrays
    4. Foreach
    5. More about Control Flow
    6. Switch
  6. Object-Oriented Programming
    1. Objects
    2. Classes
    3. Inheritance
    4. Polymorphism
    5. Object-Oriented Languages
    6. Components
  7. Classes
    1. Classes as Structured Data
    2. Methods
    3. Constructors and Initialization
    4. Static Fields and Methods
    5. Constant and Readonly
  8. More about Types
    1. Overview of Types in C#
    2. Value Types
    3. Boxing and Unboxing
    4. Reference Types
    5. Implicitly Typed Variables
  9. Methods, Properties and Operators
    1. Methods
    2. Parameter Passing
    3. Method Overloading
    4. Variable-Length Parameter Lists
    5. Properties
    6. Auto-Implemented Properties
    7. Operator Overloading
  10. Characters and Strings
    1. Characters
    2. Strings
    3. String Input
    4. String Methods
    5. StringBuilder Class
    6. Programming with Strings
  11. Arrays and Indexers
    1. Arrays
    2. System.Array
    3. Random Number Generation
    4. Jagged Arrays
    5. Rectangular Arrays
    6. Arrays as Collections
    7. Bank Case Study-Step 1
    8. Indexers
  12. Inheritance
    1. Single Inheritance
    2. Access Control
    3. Method Hiding
    4. Initialization
    5. Bank Case Study-Step 2
  13. Virtual Methods and Polymorphism
    1. Virtual Methods and Dynamic Binding
    2. Method Overriding
    3. Fragile Base Class Problem
    4. Polymorphism
    5. Abstract Classes
    6. Sealed Classes
    7. Heterogeneous Collections
    8. Bank Case Study-Step 3
  14. Formatting and Conversion
    1. ToString
    2. Format Strings
    3. String Formatting Methods
    4. Bank Case Study-Step 4
    5. Type Conversions
  15. Exceptions
    1. Exception Fundamentals
    2. Structured Exception Handling
    3. User-Defined Exception Classes
    4. Inner Exceptions
    5. Bank Case Study-Step 5
  16. Interfaces
    1. Interface Fundamentals
    2. Programming with Interfaces
    3. Using Interfaces at Runtime
    4. Bank Case Study-Step 6
    5. Resolving Ambiguities
  17. .NET Interfaces and Collections
    1. Collections
    2. Bank Case Study-Step 7
    3. IEnumerable and IEnumerator
    4. Copy Semantics and ICloneable
    5. Comparing Objects
    6. Generic Types
    7. Type-Safe Collections
    8. Object Initializers
    9. Collection Initializers
    10. Anonymous Types
    11. Bank Case Study-Step 8
  18. Delegates and Events
    1. Delegates
    2. Anonymous Methods
    3. Lambda Expressions
    4. Events
  19. Introduction to Windows Forms
    1. Creating Windows Applications Using Visual Studio 2017
    2. Partial Classes
    3. Buttons, Labels and Textboxes
    4. Handling Events
    5. Listbox Controls
  20. Newer Features in C#
    1. Dynamic Data Type
    2. Named Arguments
    3. Optional Arguments
    4. Variance in Generic Interfaces
    5. Asynchronous Programming Keywords
    6. New Features in C# 6.0 and C# 7.0
Class Materials

Each student in our Live Online and our Onsite classes receives a comprehensive set of materials, including course notes and all the class examples.

Class Prerequisites

Experience in the following is required for this C# class:

  • Programming experience in a high-level language.
Preparing for Class

Training for your Team

Length: 5 Days
  • Private Class for your Team
  • Online or On-location
  • Customizable
  • Expert Instructors

Training for Yourself

$2,375.00 or 5 vouchers

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What people say about our training

This was a great course that has given me a good foundation in C# programming.
Daniel Poole
HID Global
Object-Oriented Programming in C# is a great starting point for anyone who needs/wants to enter the .NET world. It covers both the paradigm and vocabulary of object-oriented programming and the language itself. As an old-time mainframe programmer, this was a passage way to the new world!
Elizabeth McRae
Community One Bank
This was a great course that has given me a good foundation in C# programming.
Daniel Poole
HID Global
Excellent course and insructor.
Wolfgang Stiller
PGi

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