tiles.java

import java.util.Scanner; //importing scanner
public class tiles { //program begins
    public static void main(String[] args) {

        /*
        *Write a program which enables a person to work out the cost of covering the floor of his house with tiles.
        * Data is supplied as follows:
        * (a) The number of rooms in the house (9)
        * (b) For each room:
        * (i) The size and cost of one tile to be used in that room
        * (ii) The length and breadth of the room.
        * For each room, calculate the number of tiles required, as well as the cost of the tiles.
        * At the end, print the total cost of the tiles required for the whole house.
         */

        Scanner input = new Scanner (System.in); //scanner declaration

        //variable declaration
        double length, breadth, room_area, one_room, tile_side1, tile_side2, tile_area, tile_cost, total_tile_cost, total_cost = 0;

        //for loop used to...
        for(double room=1; room<=9; room++) {

            //input statements so the user can enter the length and breadth of a room, size of the tile and its cost
            System.out.println("Length of room in meters: ");
            length = input.nextDouble();

            System.out.println("Breadth of room in meters: ");
            breadth = input.nextDouble();

            System.out.println("Length of one tile in meters: ");
            tile_side1 = input.nextDouble();

            System.out.println("Width of one tile in meters: ");
            tile_side2 = input.nextDouble();

            System.out.println("Cost of one tile: ");
            tile_cost = input.nextDouble();

            //calculating the area of each room
            room_area = length * breadth;

            //calculating the area of one tile
            tile_area = tile_side1 * tile_side2;

            //finding the amount of tiles needed for the room
            one_room = room_area / tile_area;

            //to find the cost to tile the room
            total_tile_cost = one_room * tile_cost;

            //total cost to tile all 9 rooms
            total_cost+=total_tile_cost;

        } //for loop ends

        //output statement to show the user the total cost
        System.out.println("The total cost of the tiles required for the house: " +total_cost);
    }
} //program ends