Explore topic-wise MCQs in Java.

This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Java knowledge and support exam preparation. Choose a topic below to get started.

1.

Are enums are type-safe?

A. True
B. False
Answer» B. False
2.

Which class does all the Enums extend?

A. Object
B. Enums
C. Enum
D. EnumClass
Answer» D. EnumClass
3.

Which method returns the elements of Enum class?

A. getEnums()
B. getEnumConstants()
C. getEnumList()
D. getEnum()
Answer» C. getEnumList()
4.

If we try to add Enum constants to a TreeSet, what sorting order will it use?

A. Sorted in the order of declaration of Enums
B. Sorted in alphabetical order of Enums
C. Sorted based on order() method
D. Sorted in descending order of names of Enums
Answer» B. Sorted in alphabetical order of Enums
5.

Can we create an instance of Enum outside of Enum itself?

A. True
B. False
Answer» C.
6.

What is the order of variables in Enum?

A. Ascending order
B. Descending order
C. Random order
D. depends on the order() method
Answer» B. Descending order