Tag Archives: instanceof

Given: (Exhibit) It is required that if p instanceof Pair then p.isValid() returns true. Which is the

Given:It is required that if p instanceof Pair then p.isValid() returns true.Which is the smallest set of visibility changes to insure this requirement is met? A. left, right, setLeft, and setRight must be private. B. left and right must be private. C. setLeft and setRight must be protected. D. isValid must be public. Correct Answer: B

Given: (Exhibit) It is required that if p instanceof Pairthen p.isValid()returns true. Which is the smallest

Given:It is required that if p instanceof Pairthen p.isValid()returns true.Which is the smallest set of visibility changes to insure this requirement is met? A. leftand rightmust be private. B. left, right, setLeft, and setRightmust be private. C. setLeftand setRightmust be protected. D. isValidmust be public. Correct Answer: D

Given: (Exhibit) It is required that if p instanceof Pair then p.isValid() returns true. Which is the

Given:It is required that if p instanceof Pair then p.isValid() returns true.Which is the smallest set of visibility changes to insure this requirement is met? A. left and right must be private. B. left, right, setLeft, and setRight must be private. C. setLeft and setRight must be protected. D. isValid must be public. Correct Answer: A

Given: (Exhibit) It is required that if p instanceof Pair then p.isValid() returns true. Which is the

Given:It is required that if p instanceof Pair then p.isValid() returns true.Which is the smallest set of visibility changes to insure this requirement is met? A. setLeft and setRight must be protected. B. isValid must be public. C. left and right must be private. D. left, right, setLeft, and setRight must be private. Correct Answer: C