Returns the argument decremented by one, throwing an exception if the result overflows an {@code int}.
@param a the value to decrement @return the result @throws ArithmeticException if the result overflows an int
See Implementation
Returns the argument decremented by one, throwing an exception if the result overflows an {@code int}.
@param a the value to decrement @return the result @throws ArithmeticException if the result overflows an int