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Advance C# Programming Part 1.pdf
- 1. Section: BS in Information Technology - 2A Day: SAT Time: 9:00-12:00 Instructor: Percival A. Fernandez, MSIT
- 3. C# HISTORY • C# is pronounced as "C-Sharp". It is an object-oriented programming language provided by Microsoft that runs on .Net Framework. • It is based on C++ and Java, but it has many additional extensions used to perform component oriented programming approach. • C# has evolved much since their first release in the year 2002. It was introduced with .NET Framework 1.0 and the current version of C# is 5.0. • Anders Hejlsberg is known as the founder of C# language.
- 4. C# HISTORY
- 5. WHAT IS C#? • C# is pronounced "C-Sharp". • It is an object-oriented programming language created by Microsoft that runs on the .NET Framework. • C# has roots from the C family, and the language is close to other popular languages like C++ and Java. • The first version was released in year 2002. The latest version, C# 8, was released in September 2019.
- 6. WHAT IS C#? ➢ C# is used for: • Mobile applications • Desktop applications • Web applications • Web services • Web sites • Games • VR • Database applications • And much, much more!
- 7. WHY USE C#? • It is one of the most popular programming language in the world • It is easy to learn and simple to use • It has a huge community support • C# is an object oriented language which gives a clear structure to programs and allows code to be reused, lowering development costs. • As C# is close to C, C++ and Java, it makes it easy for programmers to switch to C# or vice versa
- 8. WHY USE C#? • C# has many other reasons for being popular and in demand. Few of the reasons are mentioned below: • Easy to Start: C# is a high-level language so it is closer to other popular programming languages like C, C++, and Java and thus becomes easy to learn for anyone. • Widely used for developing Desktop and Web Application: C# is widely used for developing web applications and Desktop applications. It is one of the most popular languages that is used in professional desktop. If anyone wants to create Microsoft apps, C# is their first choice.
- 9. WHY USE C#? • Community: The larger the community the better it is as new tools and software will be developing to make it better. C# has a large community so the developments are done to make it exist in the system and not become extinct. • Game Development: C# is widely used in game development and will continue to dominate. C# integrates with Microsoft and thus has a large target audience. The C# features such as Automatic Garbage Collection, interfaces, object-oriented, etc. make C# a popular game developing language.
- 10. WHY USE C#?
- 11. C# FEATURES C# is object oriented programming language. It provides a lot of features that are given below. 1.Simple 2.Modern programming language 3.Object oriented 4.Type safe 5.Interoperability 6.Scalable and Updateable 7.Component oriented 8.Structured programming language 9.Rich Library 10.Fast speed
- 12. C# FEATURES
- 13. C# FEATURES 1) Simple C# is a simple language in the sense that it provides structured approach (to break the problem into parts), rich set of library functions, data types etc. 2) Modern Programming Language C# programming is based upon the current trend and it is very powerful and simple for building scalable, interoperable and robust applications. 3) Object Oriented C# is object oriented programming language. OOPs makes development and maintenance easier where as in Procedure-oriented programming language it is not easy to manage if code grows as project size grow.
- 14. C# FEATURES 4) Type Safe C# type safe code can only access the memory location that it has permission to execute. Therefore it improves a security of the program. 5) Interoperability Interoperability process enables the C# programs to do almost anything that a native C++ application can do. 6) Scalable and Updateable C# is automatic scalable and updateable programming language. For updating our application we delete the old files and update them with new ones.
- 15. C# FEATURES 7) Component Oriented C# is component oriented programming language. It is the predominant software development methodology used to develop more robust and highly scalable applications. 8) Structured Programming Language C# is a structured programming language in the sense that we can break the program into parts using functions. So, it is easy to understand and modify. 9) Rich Library C# provides a lot of inbuilt functions that makes the development fast. 10) Fast Speed The compilation and execution time of C# language is fast.
- 16. .NET FRAMEWORK & ITS COMPONENTS • .NET is a software framework that is designed and developed by Microsoft. • It is a virtual machine for compiling and executing programs written in different languages like C#, VB.Net, etc. • It is used to develop Form-based applications, Web-based applications, and Web services. The first version of the .NET framework was 1.0 which came in the year 2002 and the current version is 4.7.1. • .NET Framework supports more than 60 programming languages in which C# and VB.Net are main programming languages.
- 17. .NET FRAMEWORK & ITS COMPONENTS
- 18. .NET FRAMEWORK & ITS COMPONENTS ➢ 1. Common Language Runtime(CLR): • CLR is the basic and Virtual Machine component of the .NET Framework. • It is the run-time environment in the .NET Framework that runs the codes and helps in making the development process easier. • It is responsible for managing the execution of .NET programs regardless of any .NET programming language. • It also helps in the management of code, as code that targets the runtime is known as the Managed Code and code doesn’t target to runtime is known as Unmanaged code.
- 19. .NET FRAMEWORK & ITS COMPONENTS ➢ 2. Framework Class Library(FCL): • It is the collection of reusable, object-oriented class libraries and methods, etc that can be integrated with CLR. • Also called the Assemblies. It is just like the header files in C/C++ and packages in the java. • Installing .NET framework basically is the installation of CLR and FCL into the system.
- 20. .NET FRAMEWORK & ITS COMPONENTS ➢ 3. Common Intermediate Language: • It is a set of instructions that are platform-independent and are generated by the language-specific compiler from the source code. • It is also known as the Microsoft Intermediate Language (MSIL).
- 21. .NET FRAMEWORK & ITS COMPONENTS ➢ 4. Garbage Collector(GC): • Automatic memory management is made possible by Garbage Collection in .NET Framework. • When a class object is created at runtime, certain memory space is allocated to it in the heap memory. • However, after all the actions related to the object are completed in the program, the memory space allocated to it is a waste as it cannot be used. In this case, garbage collection is very useful as it automatically releases the memory space after it is no longer required. • Garbage collection will always work on Managed Heap and internally it has an Engine which is known as the Optimization Engine.
- 22. .NET FRAMEWORK & ITS COMPONENTS ➢ 5. Just-In-Time(JIT) Compiler: • Just-In-Time compiler(JIT) is a part of Common Language Runtime (CLR) in .NET which is responsible for managing the execution of .NET programs regardless of any .NET programming language. • A language-specific compiler converts the source code to the intermediate language. • This intermediate language is then converted into the machine code by the Just-In-Time (JIT) compiler. This machine code is specific to the computer environment that the JIT compiler runs on.
- 23. .NET FRAMEWORK & ITS COMPONENTS ➢ 6. Managed Code: • A code that is written to aimed to get the services of the managed runtime environment execution like CLR(Common Language Runtime) in .NET Framework is known as Managed Code. • It always implemented by the managed runtime environment instead of directly executed by the operating system.
- 24. .NET FRAMEWORK & ITS COMPONENTS ➢ 7. Unmanaged Code: • A code that is directly executed by the operating system is known as Unmanaged code. • It always aimed at the processor architecture and depends upon computer architecture. • When this code is compiled it always tends to get a specific architecture and always runs on that platform.
- 25. VISUAL STUDIO • Visual Studio is an Integrated Development Environment(IDE) developed by Microsoft to develop GUI(Graphical User Interface), console, Web applications, web apps, mobile apps, cloud, and web services, etc. • With the help of this IDE, you can create managed code as well as native code. It uses the various platforms of Microsoft software development software like Windows store, Microsoft Silverlight, and Windows API, etc. It is not a language- specific IDE as you can use this to write code in C#, C++, VB(Visual Basic), Python, JavaScript, and many more languages. • It provides support for 36 different programming languages. It is available for Windows as well as for macOS.
- 26. C# IDE • The easiest way to get started with C#, is to use an IDE. • An IDE (Integrated Development Environment) is used to edit and compile code. • In our tutorial, we will use Visual Studio Community, which is free to download from https://visualstudio.microsoft.com/vs/community/. • Applications written in C# use the .NET Framework, so it makes sense to use Visual Studio, as the program, the framework, and the language, are all created by Microsoft.
- 27. REFERENCES: • https://www.geeksforgeeks.org/c-sharp-tutorial/ • https://www.w3schools.com/cs/cs_intro.php • https://www.pluralsight.com/paths/csharp • https://www.javatpoint.com/csharp-history