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Core Java online test, online practice test, exam, quiz
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Core Java
Core Java Online Test
The purpose of this online test is to help you evaluate your Core Java knowledge yourself. These Multiple Choice Questions (MCQs) on Core Java will prepare you for technical round of job interview, written test and many certification exams.
The test contains 20 questions and there is no time limit. You will get 1 point for each correct answer. You will get your online test score after finishing the complete test.
(Total
20
questions)
(Time spent
0:0
)
1. What happens if sleep() and wait() executes in synchronized block?
The object still under lock in both the cases
sleep() still under lock ,wait() the lock is removed
sleep() the lock is removed ,wait() still under lock
Sleep() and wait(),for both the method lock is removed
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