Java Learning-The application of interfaces: Proxy mode

1  Public classTestproxy {2      Public Static voidMain (string[] args) {3Object obj =Newproxyobject ();4 obj.action ();5     }6 }7 8 Interfaceobject{9     voidaction ();Ten } One //proxy class A classProxyobjectImplementsobject{ - Object obj; -      the      PublicProxyobject () { -SYSTEM.OUT.PRINTLN ("proxy class creation succeeded"); -obj =NewObjctimpl (); -     } +      -      Public voidaction () { +SYSTEM.OUT.PRINTLN ("proxy class start Execution"); A obj.action (); atSYSTEM.OUT.PRINTLN ("proxy class execution End"); -     } - } - //by proxy class - classObjctimplImplementsobject{ -  in @Override -      Public voidaction () { toSystem.out.println ("===== the proxy class starts executing ======"); +System.out.println ("===== Specific operation ======"); -System.out.println ("===== has been executed by the proxy class ======"); the          *     } $     Panax Notoginseng}

Java Learning-The application of interfaces: Proxy mode