16Interface methods without a body are implicitly:AstaticBprivateCfinalDpublic abstractView AnswerDiscussWorkspaceReportSaveEasy
17Can you create an object of an abstract class with new?AOnly inside the same packageBYesCOnly if it is publicDNoView AnswerDiscussWorkspaceReportSaveEasy
18What is a marker interface?AAn interface with no methods used to tag a class, e.g. SerializableBAn interface that cannot be implementedCAn interface with one methodDAn annotationView AnswerDiscussWorkspaceReportSaveMedium
19A class that implements an interface but not all its methods must be:ADeclared staticBInside the interfaceCDeclared abstractDDeclared finalView AnswerDiscussWorkspaceReportSaveEasy