Discussion
Which of these is the correct type for the value a Future<?> from submit(Runnable) yields?
Answer: C
The one-argument submit for a Runnable gives a Future whose get returns null once the task is done, so the Future is useful for waiting and for surfacing an exception rather than for a result. A second argument can supply a fixed value to return instead.
No comment is present. Be the first to comment.
Loading…
Post your comment
Please log in or register to post a comment.
Examination Categories
- SSC Exams
- Banking Exams
- Teaching Exams
- Civil Services Exams
- Railways Exams
- Engineering Recruitment Exams
- Defence Exams
- State Government Exams
- Police Exams
- Insurance Exams
- Nursing Exams
- Other Government Exams
- NRA CET
- PG Entrance Exams
- Campus Placement
- MBA Entrance Exams
- CUET and UG Entrance
- Judiciary Exams
- Regulatory Body Exams
- Software Development