C summary of knowledge point definitions, summary notes

CTS

Common Type System
General type system

CTS A grammar and specification of computer language .

Any .NET Platform as the target language must establish its data type and CTS Mapping between types of .

CLS

Common Language Specification
General language specification
CLS yes CTS A subset of

CLR

Common Language Runtime
The common language progressive

CLR yes CTS The implementation of the

CLR It is the execution engine of the application program and the class library with complete functions

oriented CLR The compiler , Can be used by multiple programming languages .
CLR Core functions ： memory management , Assembly loading , Security , exception handling , Thread synchronization, etc .

lambda

Anonymous methods

Interface

Is a code of conduct

Include only declarations , Does not contain definition , All methods of the interface must be implemented .

Can be more inherited

Can't be instantiated

abstract class

Implement a common base class definition that can be derived from multiple classes .

All abstract methods must be implemented

Can't be instantiated

Virtual method

Check whether there is override, If there is, execute subclass methods , Otherwise, execute the parent method .

Template method pattern .

StringBuilder

Each use String Always create new strings in memory , Allocate space for objects .

character >100 Use StringBuilder, Improve performance .

To be continued