Use the design mode to solidify your C # Program (5-1)

Use the design mode to solidify your C # Program (5-1)

Design Patterns: Solidify Your C # Application Architecture with Design Patterns Chinese edition (Part 1)
Author: Samir Bajaj
Translator: glory

[Translation: C # advanced article. The translator simply sorts out the C # examples provided by Samir (some of the Code provided by the author cannot be compiled in the translator's environment) and compiles the corresponding C ++ example, put them in comments for readers to compare. All C # And C ++ debugging environments are Microsoft Visual Studio. NET 7.0 Beta2]

Some code:

C # example:

Using System;

Abstract class State

{

Public virtual void AddNickel (VendingMachine vm ){}

Public virtual void AddDime (VendingMachine vm ){}

Public virtual void AddQuarter (VendingMachine vm ){}

Protected virtual void ChangeState (VendingMachine vm, State s)

{

Vm. ChangeState (s );

}

}

......

/* The following is the output result of a running task:

The Vending Machine is now online: product costs 25c

Credit: 0c

Insert a coin <5, 10, 25>: 5

Credit: 5c

Insert a coin <5, 10, 25>: 10

Credit: 15c

Insert a coin <5, 10, 25>: 5

Credit: 20c

Insert a coin <5, 10, 25>: 5

Dispensing product... Thank you!

*/