Discussion
Consider what happens when an int is added to a List<Integer>. Which statement is correct?
Answer: B
Autoboxing inserts the conversion for you in both directions, so the code reads as if the list held ints. The costs to remember are the allocation, and that unboxing a null element throws NullPointerException rather than yielding zero.
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