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15.2.2.3. Vector
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Flashcard drill
3 cards from this lesson. Good the night before a test.
Try these first
- 1.
What method would you use to add an element to a Vector?
Hint
Think about which method is used for adding elements in collections.
- 2.
Is a Vector thread-safe?
Hint
Consider how Vector handles concurrency.
- 3.
Is the Vector class synchronized?
- True
- False
Hint
Recall the definition of synchronized classes.
- 4.
Which method is used to access an element by index in a Vector?
- get()
- find()
- indexOf()
Hint
Think about how lists typically work.
- 5.
You have a multi-threaded application where multiple threads need to add names to a list. Describe how you would implement this using Vector.
Hint
Consider how vectors handle concurrent additions.
- 6.
Write a Java code snippet that demonstrates the use of a Vector in a multi-threaded environment.
Hint
Look at how you could simultaneously add elements from different threads.
Exercises
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
4 more questions available
Enrol freeQuiz
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
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Enrol freeChallenge Problems
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting