10.classLine{11.publicclassPoint{publicintx，y；}12.publicPointgetPoint（）{returnnewPoint（）；}13.}14.classTriangle{15.publicTriangle（）{16.//insertcodehere17.}18.}Whichcode，insertedatline16，correctlyretrievesalocalinstanceofaPointobject？（）

A、小 B、相同 C、大 D、不作尺寸要求

A．ProvidesahighlyavailableclusterofPowerSystemsenablingnearlinearscalabilityanddisasterrecoveryacrossdifferentsites. B．IncorporatesahardwarelockingmechanismwhichresemblestheParallelSysplexonthemainframe，deliveringperformanceandscalability. C．Enablesnearlinearscalabilitybypartitioningandclusteringthedatabaseacrossmultiplenodes，andaddingnodesdynamicallywhenneeded. D．ProvidesscalabilitybyemployingahighlyavailableclusterofserversinterconnectedbyanInfinibandnetworkandacentrallockingmechanism.

A、平行 B、斜 C、中心 D、正