The Microsoft C# 3.0 Programming Language

The Microsoft C# 3.0 Programming Language

Overview

 Microsoft’s .NET Framework presents developers with unprecedented opportunities. From ‘geo-scalable’ web applications to desktop and mobile platform applications – all can be built with equal ease, using substantially the same skill-set. But to make the most of this potential, developers must have a thorough grasp of core language skills.

This course is intended for developers who will use C# to write .NET Framework applications and who are new to the C# programming language. This includes those currently working with Visual Basic 6.0, C++ or Java.

This four-day workshop concentrates on the C# programming language itself, to prepare delegates fully in readiness for exploring the .NET Framework. From basic procedural syntax to sophisticated object-oriented programming techniques, delegates will learn how to write .NET applications with code that is robust, maintainable and efficient.

The course is presented as a mixture of lectures and hands-on exercises. Practical sessions follow each topic, designed to reinforce the points covered. Additional information is provided in appendices to extend the learning experience after the course has been completed. 

Prerequisites

Delegates must understand the fundamentals of programming. Some prior exposure to object oriented programming would be beneficial but not required 

Delegates will learn how to

  • Write efficient procedural code that includes sequence, selection and iteration constructs
  • Create and use classes and structures (types), including fields, properties and methods
  • Use private, internal, protected and public scope
  • Create derived classes that inherit from custom-written or .NET Framework classes
  • Create interfaces and apply techniques of polymorphism effectively and appropriately
  • Build exception-handling into methods, to create robust, user-friendly applications
  • Work effectively with delegates and events and understand how they operate
  • Leverage the power of C# features such as indexers and iterators
  • Work with generic types, operator overloading and other advanced language capabilities
  • Make use of the major new C# 3.0 feature – LINQ (Language Integrated Query)
  • Use attributes to configure program behaviour and efficiently manage resources
  • Version assemblies and know how .NET searches and loads the correct DLL’s 

Course outline

Module 1: Introduction to .NET & C#
The .NET Framework; The Common Language Runtime; The Common Type System; C# Features; Introduction to namespaces and assemblies

Module 2: Language Fundamentals
Procedures and statements; Data types; Declaring variables; Assignments; Conversion; Arithmetic and other operators; Control constructs

Module 3: Types
Type concepts; Value and reference types; Fields, properties and methods; Accessibility modifiers; Construction; Assignment; The simple types; The ‘null’ reference; Static and instance members; Enumerated types; Partial classes; Static classes

Module 4: Exception Handling
Errors vs. Exceptions; The ‘try’ block; Using ‘throw’; The ‘catch’ block; The ‘finally’ block; Creating your own exceptions; ‘checked’ and ‘unchecked’ expressions.

Module 5: Inheritance
Concept of inheritance; Extending a simple class; Polymorphism; ‘virtual’, ‘override’, ‘new’ and ‘sealed’ modifiers

Module 6: Abstract Classes & Interfaces
Abstract classes; Abstract methods, properties and indexers; Polymorphism with interfaces; Multiple interfaces

Module 7: Arrays & Indexers
Arrays; Array initialisers; Multi-dimensional arrays; Jagged arrays; Indexers; Standard collections; C# 2.0 Iterators

Module 8: Generic Types
The need for generics; Writing and using generic types; Applying constraints; Other aspects of generic programming; Nullable types; Generic collections

Module 9: Attributes
Attributed code explained; Using attributes; Custom attributes; Introduction to reflection

Module 10: Namespaces & Assemblies
Namespaces; The ‘using’ statement for namespaces; Assemblies; DLLs at compile time and Run Time; The Global Assembly Cache (GAC); Versioning using public/private key cryptography

Module 11: Managing Resources
Garbage collection and its impacts; Finalizers; The ‘Dispose’ method; IDisposable interface; The using statement for deterministic resource management

Module 12: Delegates & Events
Delegates explained; Working with delegates; Creating your own delegate types; Events; Generic delegate EventHandler<T>; Anonymous delegates; Asynchronous invocation patterns; Late binding using delegates

Module 13: C# 3.0 Language Enhancements
Object & Collection initialisers; Anonymous types; ‘var’ & inferred data types; Delegate type Func<A,R>; Using lambda expressions; Extension methods; LINQ and how LINQ uses and relies on all these new C#3.0 language enhancements

Module 14: Brief Introduction to ASP.NET & Windows Forms
Putting the language into practice; Creating a simple ASP.NET Web Forms application using ADO.NET; Creating a simple Windows Forms application; Using a Web Service

Appendix Module : Operator Overloading
Why operator overloading is useful; When to overload Implicit conversions; explicit conversions 

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