16Which reference type is cleared when memory is low but kept otherwise?ASoftReferenceBStrong referenceCWeakReferenceDPhantomReferenceView AnswerDiscussWorkspaceReportSaveEasy
17Can you force garbage collection in Java?ANo; System.gc() is only a requestBYes, by calling finalize()CYes, with Runtime.free()DYes, with System.gc()View AnswerDiscussWorkspaceReportSaveEasy