Basic introduction to C #

1. Object Oriented

2. The component-oriented

3. structured language

The frame part 4. .net

5. Cross-platform language

C # function

1. Boolean conditions

2. Automatic garbage collection

3. Standard Library

4. Component Version

5. Properties (Properties) and events (Events)

6. delegate (delegates) and Event Management (Event management)

7. easy to use generics

8. indexer (indexers)

9. Conditional compilation 

10. LINQ and Lambda expressions

11. Integrated window

.Net framework

Framework is an innovative platform to write applications that have

1 Windows applications

2 web application

3 web services

 

C # program structure

Namespaces

1.  Using namespace System
2. Statement of space 

   namespace NewNameSpace
   {
   }

    

class

1. class declaration   

   namespace NewNameSpace
   {
       class NewClass
       {
       }
   }
   

class method

1. Main method, all entrance of a C # program

   namespace NewNameSpace
   {
       class NewClass
       {
            static void Main（string[] args） //Main 方法需要为static void 类型
            {
            }
           
       }
   }
   

class property

Statements and expressions

Note

important point

1. C # is case sensitive, case sensitive
2. All statements and expressions must be used; end
3. Program Execution Main method
4. Unlike Java, the file name can be different from the class name