java-Exercise01-apartment rent

package class170619;

import java.util.Scanner;

public class tester01 {

    public static void main(String[] args) {
        /*
         * ברחוב דירות עם 3 עד 5 חדרים, שחלקן הן דופלקסים. תשלומי ועד הבית נקבעו
         * כך: דירת 3 חדרים: 120 ש"ח דירת 4 חדרים: 150 ש"ח דירת 5 חדרים: אם
         * דופלקס: 200 ש"ח אחרת: 180 ש"ח יש להציג את הסכום לתשלום.
         */

        int numberOfRooms; // input: number of rooms in the apartment
        int price; // output: the rent of the apartment

        // create a scanner to get input from the user
        Scanner s = new Scanner(System.in);

        // ask the user to enter the number of rooms
        System.out.println("Enter number of rooms (3, 4 or 5) : ");

        // get and save data from the user
        numberOfRooms = s.nextInt();

        // check the number of rooms
        switch (numberOfRooms) {
        case 3:
            // three rooms in apartment --> price is 120
            price = 120;
            break;
        case 4:
            // four rooms in apartment --> price is 150
            price = 150;
            break;
        case 5:
            // five rooms in apartment
            // should get and check if apartment is duplex

            boolean isDuplex; // input: is the apartment duplex?

            // ask the user to input data
            System.out.println("Is the apartment duplex (true / false) ? ");
            // get and save data from the user
            isDuplex = s.nextBoolean();

            // if duplex then price is 200, else price is 180
            price = isDuplex ? 200 : 180;
            break;
        default:
            // number of rooms is invalid
            System.out.println("Error: Invalid number of rooms ("
                    + numberOfRooms + ") !");

            // to indicate an error
            price = 0;
        }

        // if input data was valid and price has been claculated
        if (price > 0) {
            // display the price on the screen for the user
            System.out.println("the price you should pay is : " + price);
        }

        s.close();
    }

}