"Design mode" 21, Policy mode

1  PackageCom.shejimoshi.behavioral.Strategy;2 3 4 /**5 * Function: interface to work6 * Time: March 9, 2016 PM 8:53:347 * Cutter_point8  */9  Public InterfacetoworkTen { One     /** A * How to work -      */ -      Public Abstract voidWorkStyle (); the  -}

1  PackageCom.shejimoshi.behavioral.Strategy;2 3 4 /**5 * Function: walk to work6 * Time: March 9, 2016 PM 8:55:157 * Cutter_point8  */9  Public classWalkingworkImplementstoworkTen { One  A @Override -      Public voidWorkStyle () -     { theSystem.out.println ("Walk To Work"); -     } -  -}

1  PackageCom.shejimoshi.behavioral.Strategy;2 3 4 /**5 * Function: Use tool to go to work6 * Time: March 9, 2016 PM 8:57:357 * Cutter_point8  */9  Public classTooltoworkImplementstoworkTen { One  A @Override -      Public voidWorkStyle () -     { theSystem.out.println ("Use tool to go to work"); -     } -      -}

1  PackageCom.shejimoshi.behavioral.Strategy;2 3 4 /**5 * Function: Selection method6 * Time: March 9, 2016 PM 9:15:527 * Cutter_point8  */9  Public classSelectTen { One     Privatetowork tw; A      -      PublicSelect (String type) -     { the         Switch(type) -         { -          CaseWalk: -Walkingwork ww =Newwalkingwork (); +TW =ww; -              Break; +          Case"Using Tools": ATooltowork TTW =Newtooltowork (); atTW =TTW; -              Break; -         } -     } -      -     /** in * Implement the appropriate policy -      */ to      Public voidGetResult () +     { - Tw.workstyle (); the     } *}

1  PackageCom.shejimoshi.behavioral.Strategy;2 3 4 /**5 * Function: Define a series of algorithms, wrap them up one by one, and make them interchangeable with each other. 6 * Applicable: Many related classes are just differences in behavior7 * need to use different variants of an algorithm8 * Algorithms use data that the customer shouldn't know9 * Time: March 9, 2016 PM 8:49:34Ten * Cutter_point One  */ A  Public classTest - { -      Public Static voidMain (string[] args) the     { -Select st =NewSelect ("Walking"); - St.getresult (); -Select St2 =NewSelect ("Use Tools"); + St2.getresult (); -     } +}

Walk to work using tools to go to work

"Design mode" 21, Policy mode