Please I need someone to solve Java programming ASAP.

(a). [5 Points] Implement the Calculator default constructor using an assignment statement to configure the running total attribute. (b). [5 Points] Implement the method clear(). (c). [5 Points] Implement the Calculator default constructor using method clear () to configure the running total. (d). [5 Points] Implement the Calculator method gotTotal (). (e). [5 Points] Implement the Calculator method add(double v). (f). [5 Points] Implement the Calculator method divide (double v)