Interfaces And Abstract Classes - Study Mode
[#1] Which of these is a method can generate a boolean output?
Correct Answer
(D) nextBoolean()
[#2] Which of these keywords is used to define packages in Java?
Correct Answer
(C) package
[#3] Which of the following reference types cannot be generic?
Correct Answer
(A) Anonymous inner class
[#4] Which of these classes is not included in java.lang?
Correct Answer
(C) Array
[#5] Which of these is a super class of Character wrapper?
Correct Answer
(D) Number