Which among the following will yield 1 for negative number and 1 for positive number for a number st

MCQ Answer

Which among the following will yield -1 for negative number and 1 for positive number for a number stored in a variable a?

Topic : JAVA Library Classes

A. Math.abs(a)*a

B. Math.abs(a) / a

C. Math.ceil(a) / Math.floor(a)

D. None of these

Correct Answer is :

B. Math.abs(a) / a