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Which of the following is true? ArrayLists are constructed of nodes that include elements and references...

  1. Which of the following is true?

    ArrayLists are constructed of nodes that include elements and references to other elements
    LinkedLists are constructed of nodes that include elements and references to other elements
    ArrayLists are, by definition, lists of arrays
    LinkedLists are, be definition, lists of links

  2. Which of the following statements is correct in most cases?

    Accessing an element in an array by index is less expensive than accessing an element by index in a LinkedList
    Accessing an element in an array by index is less expensive than accessing an element by index in an ArrayList
    Accessing an element in an array by index is more expensive than accessing an element by index in a LinkedList
    Accessing an element in an array by index is more expensive than accessing an element by index in an ArrayList

  3. Which of the following statements is correct in most cases?

    Adding an element to the beginning of an ArrayList is less expensive than adding an element to the beginning of an array
    Adding an element to the beginning of an ArrayList is less expensive than adding an element to the end of an ArrayList
    Adding a node to the beginning of a LinkedList is less expensive than adding an element to the beginning of an ArrayList
    Adding an element to the beginning of an ArrayList is less expensive than adding a node to the beginning of a LinkedList

  4. The O in big-O notation stands for

    zero
    "order of"
    "ordinal"
    "original"

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Answer #1

Solution:

Q1) Which of the following is true?
Ans)
LinkedLists are constructed of nodes that include elements and references to other elements

Q2) Which of the following statements is correct in most cases?
Ans)
Accessing an element in an array by index is less expensive than accessing an element by index in a LinkedList
Accessing an element in an array by index is less expensive than accessing an element by index in an ArrayList

Q3) Which of the following statements is correct in most cases?
Ans)
Adding an element to the beginning of an ArrayList is less expensive than adding an element to the beginning of an array
Adding a node to the beginning of a LinkedList is less expensive than adding an element to the beginning of an ArrayList

Q4) The O in big-O notation stands for
Ans) "order of"

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