DISCOUNT CALCULATOR (OOP)
import java.util.Scanner; public class MedDiscount { // METHOD WITH VARARGS TO GET THE TOTAL AMOUNT public double calculate_Total ( double ...amounts){ double totalAmount = 0 ; for ( double med : amounts){ totalAmount += med; } return totalAmount; } //METHOD TO CALCULATE THE DISCOUNT_RATE public double Discount_Rate ( double totalAmount){ double rate = 0.0 ; if (totalAmount > 5000 && totalAmount <= 15000 ){ rate = 0.5 ; } else if (totalAmount > 15000 && totalAmount <= 20000 ){ rate = 1.0 ; } else if (totalAmount > 20000 ){ rate = 1.5 ; } return totalAmount * rate; } // METHOD TO CATEGORISE A CUSTOMER BASED ON AMOUNT. public String Category ( double totalAmount){ String category = null ; if (totalAmount > 5000 && totalAmount <= 15000 ){ ca...