题目内容:
A.x.delete()B.x.finalize()
C.Runtime.getRuntime().gc()
D.Explicitlysettingtheobject’sreferencetonull.
E.Ensuringtherearenoreferencestotheobject.
F.Onlythegarbagecollectionsystemcandestroyanobject.
参考答案:
B.x.finalize()
C.Runtime.getRuntime().gc()
D.Explicitlysettingtheobject’sreferencetonull.
E.Ensuringtherearenoreferencestotheobject.
F.Onlythegarbagecollectionsystemcandestroyanobject.