If you are looking for C-Sharp videos, you will find three sets of webcasts in this article. One of the collections is presented by Dr. Joe Hummel. This video series consists of 15 videos. The videos in this collection are entitled Modern Software Development: Architecting Solutions in C#. Another collection subsists of 10 videos on Microsoft’s Chief Architect for C-Sharp, Anders Hejlsberg. There is also a collection of 26 hours of videos by Bob Tabor on C-Sharp.

Background: C# is a simple, modern, general-purpose, object-oriented programming language. Anders Hejlsberg is the chief architect for C#. C-Sharp’s syntax is based on the object-oriented syntax of C++. The most recent variation of the language is 3.0, and it was published in conjunction with the In 2007. The next proposed version, 4.0, is in development.

In 1999, when Anders Hejlsberg formed a team to create the language, they originally planned to call it COOL, which stood for C-like Object Oriented Language. However, there were copyright problems with that name, and it was renamed C#. C Sharp in music means a half of a step higher in pitch. In programming, C Sharp indicates that this is an outgrowth of C++.

Anders Hejlsberg has repeatedly said that flaws in most major programming languages, like Java, Delphi, and Smalltalk, drove the fundamentals of the Common Language Runtime, which, in turn, drove the design of the C-Sharp programming language itself.

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Versions:

  • C# 1.0 – introduced 2000 / released January 2002
  • C# 1.2 – published April 2003
  • C# 2.0 – published November 2005
  • C# 3.0 – released November 2007
  • C# 4.0 – in development



Guiding Principles for Design of C#:

  • C# is intended to be a simple, object-oriented programming language.

    • C# needs to support:

    • Strong type checking
    • Array bounds checking
    • Detection of attempts to use uninitialized variables
    • Software robustness
    • Durability
    • Programmer productivity
    • Automatic garbage collection
  • The language is for developing software divisions suitable for deployment in distributed environments.
  • Source code portability and programmer portability are important, more than ever for those programmers already familiar with C and C++.
  • Internationalization is very important.
  • C# is intended to be suitable for writing applications for



Distingushing Features of C#

  • C# supports a strict Boolean datatype, bool. Statements that take conditions, such as while and if, require an expression of a boolean type. While C++ also has a boolean type, it can be freely converted to and from integers
  • In C#, memory address pointers can only be used within blocks specifically marked as unsafe, and programs with unsafe code need appropriate permissions to run.
  • Managed memory cannot be explicitly freed; instead, it is automatically garbage collected.
  • Multiple inheritance is not supported, although a class can implement any number of interfaces.
  • C# is more typesafe than C++.
  • No global functions or variables. All methods and members must be declared within classes. Static members of public classes can substitute for global variables and functions.
  • Local variables cannot shadow variables of the enclosing block, unlike C and C++.



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