Builder Mode)

The builder mode separates the construction of a complex object from its representation, so that different representations can be created during the same construction process.

Mode Structure

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Similarly, we can install other things in the refrigerator following this step: for example, expired milk, leftover Pizza, or even imitating Russian baby sets, install a refrigerator (for details about how to use the refrigerator, refer to the refrigerator user manual. I bet refrigerator is definitely not used like this ..).. Let's take a look at the code for installing an elephant:

Namespace abstracts the elephant refrigerator installation {/* into a class in the construction process, and stores "things in the refrigerator. That is to say, no matter what is loaded into the refrigerator * you have to follow this step, and you cannot lose it in one step. */Abstract class put0000fridge {public abstract void OpenFridge (); public abstract void PutInto (); public abstract void CloseFridge ();}/* write a class to hold an elephant in the refrigerator, then let this class inherit from put?fridge *. In this class, it shows how to install an elephant in a refrigerator. */Class PutElephantIntoFri: put?fridge {private string name; public PutElephantIntoFri (string name) {this. name = name;} public override void OpenFridge () {Console. writeLine ("opens the refrigerator door ~~ ");} Public override void PutInto () {Console. WriteLine (" load {0} into the refrigerator. ", Name);} public override void CloseFridge () {Console. WriteLine (" closed the refrigerator door. ") ;}}/* CONDUCTOR: used to direct the East suit refrigerator process and use it to isolate the association between users and the * construction process. */Class Director {private put0000fridge pif; // specify what to implement when constructing the public Director (put0000fridge pif) {this. pif = pif;}/* write a process of installing an elephant in the refrigerator to hide the specific process of installing an elephant in the refrigerator *. You only need to call this method. */Public void createput1_fif () {pif. openFridge (); pif. putInto (); pif. closeFridge () ;}} class Program {static void Main (string [] args) {PutElephantIntoFri peif = new PutElephantIntoFri ("elephant"); Director ctor = new director (peif ); director. createPutIntoFif (); Console. writeLine ("");}}}

Finally, run the command and install the refrigerator...