The BinarySearch Method of the Collections Class Returns a Value

question 22

Multiple Choice

The binarySearch method of the Collections class returns a value in the form of -k - 1 when the target item you are searching for was not found in the array. What does k represent?

• A) It is the position of an existing item, and indicates that your target item should come after this existing item.
• B) It is the position of an existing item, and indicates that your target item should come before this existing item.
• C) It represents the number of times the array was accessed by the binarySearch method, and can be used for analyzing performance.
• D) Nothing - it is an arbitrary value.

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Definitions:

Tarsals

A group of seven bones in the foot that form the ankle and the back part of the foot’s arch.

Phalanges

The bones that make up the fingers of the hand and the toes of the foot, with each finger and toe having three phalanges, except for the thumb and big toe, which have two.

Femur

The thigh bone, which is the longest, largest, and strongest bone in the human body.

Obturator Foramen

A large opening in the hip bone through which nerves and blood vessels pass.