Rooms and MoreCan you please help me the JAVA programLabInherit.pdf

Rooms and More
Can you please help me the JAVA program?
LabInheritStarter.zip file:
import java.util.ArrayList;
import java.util.Random;
import java.util.Scanner;
public class Building {
public static void main(String[] args) {
Scanner kybd = new Scanner(System.in);
// declare an ArrayList containing Room elements
Random rand = new Random();
System.out.println("Enter t1: create classroom t2: create create elevator" + " t3:
exit");
int inp = kybd.nextInt();
while (inp != 3) {
if (inp == 1) {
System.out.println("How many chairs? ");
int ch = kybd.nextInt();
Room current = new Classroom(rand.nextInt(1000) + 100, ch);
// add current to the ArrayList
} else if (inp == 2) {
Elevator current = new Elevator(rand.nextInt(100) + 10);
if (rand.nextInt(2) == 0) {
current.up(rand.nextInt(10));
} else {
current.down(rand.nextInt(10));
}
// add current to the ArrayList
}
System.out.println("Enter t1: create classroom t2: create create elevator" + " t3:
exit");
inp = kybd.nextInt();
}
kybd.close();
// create a for loop to walk through the ArrayList its elements, one per line

}
}
=================================================
I already asked someone here, but he hasn't completed the program. You can take a look of his
code here.
ArrayList arrayList = new ArrayList();
System.out.println("Enter t1: create classroom t2: create create elevator" + " t3: exit");
while (inp != 3) {
if (inp == 1) {
arrayList.add(current);
} else {
}
arrayList.add(current);
}
}
kybd.close();
// create a for loop to walk through the ArrayList its elements, one per line

for(int i=0;i System.out.println(arrayList.get(i));
}
}
}
class Room {
private int area;
Room(){}
Room(int area){
this.area = area;
}
public int getSquareFeet(){
return area;
}
public int getCapacity(){
return this.getSquareFeet()/9;
}
public String toString(){
return this.getSquareFeet() + " " + this.getCapacity();
}
}
class Classroom extends Room{
private int noOfChairs;
private int area;
Classroom(int area){
this.area = area;
}
Classroom(int area,int noOfChairs){
this.area = area;
this.noOfChairs = noOfChairs;
}
public int getChairs(){
return this.noOfChairs;
}
public void setChiars(int chairsNumber){
this.noOfChairs = chairsNumber;
}

public int getCapacity(){
return getChairs();
}
return getSquareFeet()+" "+getCapacity()+" "+getChairs();
}
}
class Elevator extends Room{
private int currentFloor;
private int area;
Elevator(int area){
this.area = area;
}
public void up(int floors){
currentFloor += floors;
}
public void down(int floors){
currentFloor -= floors;
}
public int getCurrentFloor(){
return currentFloor;
}
return getSquareFeet()+" "+getCapacity()+" "+getCurrentFloor();
}
} Rooms and More Attached Files LablnheritStarter.zip (593 B) The attached file contains
starter code for a class Building that you should use as a driver for the following set of classes.
Write a class Room. A Room class contains an int instance variable for the area (in square feet)
of the room one constructor that takes the area of the room as a parameter an accessor, int
getSquareFeet) that returns the area of the room an accessor, int getCapacity() that returns the
capacity of the room. The capacity is given by dividing the square feet by 9 (using integer
division) an accessor, String toString() that returns the square feet and capacity of the room
Write a class Classroom that extends Room. A Classroom class contains an int instance variable
for the number of chairs in the classroom a constructor that takes the area of the classroom as a
parameter a constructor that takes the area of the classroom and the number of chairs as
parameters getter and setter for chairs an override for getCapacity. The capacity of a classroom is

the number of chairs an accessor, String toString() that returns the square feet and capacity of the
room as well as the number of chairs Write a class Elevator that extends Room. An Elevator
class contains an int instance variable for the current floor of the elevator a constructor that takes
the area of the elevator as a parameter a mutator void up(int floors) that increases the current
floor by the parameter a mutator void down(int floors) that decreases the current floor by the
parameter an accessor String toString) that returns the square feet and capacity of the elevator, as
well as its current floor.
Solution
PROGRAM CODE:
Building.java
package samplepro;
ArrayList rooms = new ArrayList();
while (inp != 3) {
if (inp == 1) {
rooms.add(current);
} else {

}
rooms.add(current);
}
System.out.println("Enter t1: create classroom t2: create elevator" + " t3: exit");
}
kybd.close();
for(int i=0; i

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