Selection Sort Algorithm
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Questions and Answers

What is the purpose of the Vector class in Java?

  • To create resizable arrays similar to the ArrayList class (correct)
  • To restrict the data types that can be used
  • To store fixed-size arrays
  • To limit the number of elements that can be stored

    • Which method in Vector class is used to add an element to vectors at a specific index?

  • add(index, element) (correct)
  • insert(index, element)
  • add(newElement)
  • append(element)

    • What does the get(index) method of Vector class in Java do?

  • Adds an element to the end of the vector
  • Finds the element at the specified index (correct)
  • Clears all elements of the vector
  • Removes an element at the specified index

    • How does the removeAll() method in Vector class differ from the clear() method?

    <p>removeAll() is used to remove all the elements, clear() only removes some elements</p> Signup and view all the answers

    Which of the following methods is used to add all elements of one vector to another vector?

    <p>addAll(vector)</p> Signup and view all the answers

    What is the function of the remove(index) method in the Vector class?

    <p>Removes the element specified by the index</p> Signup and view all the answers

    Which method is used to create a String type linked list in Java using Vector?

    <p>add(StringElement)</p> Signup and view all the answers

    In a vector with elements [A, B, C, D], what is the result of executing vector.add(2, 'E')?

    <p>[A, B, E, C, D]</p> Signup and view all the answers

    What output is expected after executing vector.remove(1) on a vector [X, Y, Z, W]?

    <p>[Y, Z, W]</p> Signup and view all the answers

    Which method is used to access the first element of a vector?

    <p>get(0)</p> Signup and view all the answers

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