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15.2.2.3. Vector

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  1. 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. 2.

    Is a Vector thread-safe?

    Hint

    Consider how Vector handles concurrency.

  3. 3.

    Is the Vector class synchronized?

    • True
    • False
    Hint

    Recall the definition of synchronized classes.

  4. 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. 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. 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

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Quiz

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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Challenge 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