import java.util.Scanner;
public class CalculatingSales {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int product, quantity;
double total = 0;
while(true) {
System.out.println("Enter product_id and quantity(0 0 to stop): ");
product = sc.nextInt();
quantity = sc.nextInt();
if(product==0 && quantity == 0)
break;
switch (product) {
case 1:
total = total + 2.98*quantity;
break;
case 2:
total = total + 4.50*quantity;
break;
case 3:
total = total + 9.98*quantity;
break;
case 4:
total = total + 4.49*quantity;
break;
case 5:
total = total + 6.87*quantity;
break;
default:
System.out.println("Invalid option");
}
}
System.out.println("total value: "+total);
sc.close();
}
}
Explanation:
Take the product and quantity as input from user.Use a switch statement to multiply the total with their relevant value. Display the total value.
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