Input Validation: Do not accept a number less than one for the number of floors. Do not accept a number less than 10 for the number of rooms on a floor.

I'm getting a wrong occupancy rate. the 'rooms' and 'occupied' keeps resetting after each loop.

i'm very new to this so please help!

Thanks

/* this program determines the occupancy rate of a hotel */ import java.util.Scanner; public class HotelOccupancy { public static void main ( String [] args) { Scanner keyboard = new Scanner(System.in); int floors = 0; //number of floors int rooms =0; //number of rooms int occupied = 0; //number of occupied rooms final int MIN_FLOOR = 1; //minimum number of floors final int MIN_ROOMS = 10; // minimum number of rooms double occupancy = 0; //occupancy rate int total; //total number of rooms int vacant = 0; //number of vacant rooms //number of floors System.out.println("Enter the number of floors"); //to validate the number of floors do { floors = keyboard.nextInt(); System.out.println("Floors have to be more than 1"); } while (floors <= MIN_FLOOR); //to insert a blank line System.out.println(); for (int i = 0; i < floors; ++i) { // number of rooms on each floor System.out.println("Please enter the number of rooms on floor " + i); rooms = keyboard.nextInt(); //room occupied per floor System.out.println("How many rooms on floor " + i + " are occupied"); occupied = keyboard.nextInt(); } //calculations total = (floors * rooms); vacant = (total - occupied); occupancy = ((double)occupied / total); } }