A.Plain Old Java Object B.Programming Object Java Object C.Page Old Java Object D.Plain Object Java Old
A.立即檢索 B.延遲檢索 C.迫切左外連結(jié)檢索 D.迫切右外連結(jié)檢索
以下程序的打印結(jié)果是什么() tx=session.beginTransaction(); Customer c1=(Customer)session.load(Customer.class,new Long(1)); Customer c2=(Customer)session.load(Customer.class,new Long(1)); System.out.println(c1==c2); tx.commit(); session.close();
A.運(yùn)行出錯(cuò),拋出異常 B.打印false C.打印true D.編譯出錯(cuò)