Which of the following statements are true in terms of the java.lang.Math.abs method?
a. Four overloaded versions of abs exist. b. An ArithmeticException is declared in the throws clause. c. The type of the return value depends on the argument type. d. The returned value is always of a floating-point primitive type. e. If the argument is a negative integral value, then the returned value is always positive. f. If the argument is positive, then the argument is returned.
the answers are: a,c,f But I think e could be true. Why e is not one of answers?