voucher design template

I. Schema Definition The template method mode defines the skeleton of an algorithm in a method, and delays some steps to the subclass. The template method allows subclass to redefine some steps in the algorithm without changing the algorithm structure. Ii. embodied Design Principles Hollywood principle: Do not call (CALL) us. We will call (CALL) You.This princip

void Main (string[] args) {3 New Man (); 4 m.buy (); 5 }6 }Output Result:1 Welcome to the BMW 4S shop, I'll introduce you to the car you chose 2 appearance: Hatchback, family-style double kidney grid, typical BMW face 3 Engine: 2. 0L Double Vortex tube single turbocharged engine 4 interior: ... 5 This car as a whole please look at this, but the color can choose, you want white or red it? 6 WhiteIn this way, my car-buying journey is over. Also has a new understanding of the

Original http://blog.csdn.net/ztz0223/article/details/7603041 I have already talked about some modeling operations in IBM RSA (IBM Rational Software Architect) V8 (v8.04). For details, refer to the following link: One of ibm rsa (IBM Rational Software Architect) V8 learning, installing ibm rsa (IBM Rational Software Architect) V8 learning 2 new project ibm rsa (IBM Rational Software Architect) v8 3 C ++ class diagram ibm rsa (IBM Rational Software Architect) V8 modeling 4 C ++ class d

The template method pattern is a very simple pattern because it uses only the inheritance relationship.Template Method Mode: Defines the skeleton of an algorithm in an operation, and extends some of the steps into subclasses. Enables subclasses to redefine some specific steps of the algorithm without altering the structure of an algorithm.Let's look at the structure of this simple pattern:1) Abstract class: Defines one or more abstract methods for spe

Applicable Scenariosin some classes of algorithms, the same method is used, resulting in code duplication. control subclass extensions, subclasses must adhere to algorithmic rules. disadvantage Each different implementation needs to define a subclass, which leads to an increase in the number of classes and a more abstract design. Advantages The Template method pattern removes duplicate code from sub

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')); }; varaddcondiments=param.addcondiments| |function(){ Throw NewError (' must pass Addcondiments method ')); }; varf=function(){}; F.prototype.init=function() {boilwater (); Brew (); Pourincup (); Addcondiments (); }; returnF;};varCoffee=Beverage ({brew:function() {Console.log (' Brew coffee with boiling water '); }, Pourincup:function() {Console.log (' Pour the coffee into the cup '); }, Addcondiments:function() {Console.log (' Add sugar and milk '); } }

Operation1 () {Console.WriteLine ( " concrete Class A Method 1 implementation " ); public override void Operation2 () {Console.WriteLine ( " concrete Class A Method 2 implementation " ); } } class Bclass:abstractclass { publicoverridevoid Operation1 () { Console.WriteLine ( " Concrete Class B Method 1 Implementation " ); } Public Override void Operation2 () { Console.WriteLine (" Concrete Class B Method 2 implem

Template mode is the skeleton of an algorithm defined in a method, and some steps are deferred to subclasses, and the template method allows subclasses to redefine some of the steps in the algorithm without altering the algorithm structure.Template methods are common in many places, especially when we re-implement many frameworks, and many times we re-implement them based on the

() { System.out.println ("brew coffee with boiling water") ); } protected void addcondiments () { System.out.println ("Add milk and sugar to the coffee");} }3. Tea class, Inherit template class, rewrite brewing, add seasoning method Public class extends refreshtemplate { protectedvoid Brew () { System.out.println ("Soak in boiling water for 5 minutes "); } protected void addcondiments () { System.out.p