lab5

import java.util.Scanner;

class Progal {

    public static void main(String[] args) {

        Scanner in = new Scanner(System.in);

        System.out.print("First resistance value (Ohm): ");

        float first_value = in.nextFloat();

        System.out.print("The value of the second resistance (Ohm): ");

        float second_value = in.nextFloat();

        System.out.print("Connection type (1-serial, 2-parallel): ");

        int ctype = in.nextInt();

        if (ctype == 1) {
            double res;
            res = first_value + second_value;
            System.out.printf("Circuit resistance: " + res);
        }

        else if (ctype == 2) {
            double res;
            res = ((first_value * second_value) / (first_value + second_value));
            System.out.printf("Circuit resistance: " + res);
        }

        else {
            System.out.printf("Choose the right number 1 or 2");
        }

        in.close();
    }

}