Returns a copy of this duration multiplied by the scalar.
!(p)
This instance is immutable and unaffected by this method call.
@param multiplicand the value to multiply the duration by, positive or negative
@return a {@code Duration} based on this duration multiplied by the specified scalar, not null
@throws ArithmeticException if numeric overflow occurs
Returns a copy of this duration multiplied by the scalar. !(p) This instance is immutable and unaffected by this method call.
@param multiplicand the value to multiply the duration by, positive or negative @return a {@code Duration} based on this duration multiplied by the specified scalar, not null @throws ArithmeticException if numeric overflow occurs