Returns the difference of the arguments,
throwing an exception if the result overflows a {@code long}.
@param x the first value
@param y the second value to subtract from the first
@return the result
@throws ArithmeticException if the result overflows a long
Returns the difference of the arguments, throwing an exception if the result overflows a {@code long}.
@param x the first value @param y the second value to subtract from the first @return the result @throws ArithmeticException if the result overflows a long