package a202;

public class Elevator {
	
	int currentFloor;
	
	public Elevator(int startingFloor){
		currentFloor = startingFloor;
	}
	
	public int getCurrentFloor(){
		return currentFloor;
	}
	
	public void up(int endFloor){
		
		if(currentFloor < endFloor){
			System.out.println("Going up from " + currentFloor + " to " + endFloor);
			while(currentFloor < endFloor){
				currentFloor++;
				System.out.println("The elevator is now on floor " + currentFloor);
			}
			System.out.println("The elevator has reached floor " + endFloor);
		}
		else{
			System.out.println("Sorry, from floor " 
					+ currentFloor 
					+ " we can't go up to floor " 
					+ endFloor);
		}
	}
	
	public void down(int endFloor){
		if(currentFloor > endFloor){
			System.out.println("Going down from " + currentFloor + " to " + endFloor);
			while(currentFloor > endFloor){
				currentFloor--;
				System.out.println("The elevator is now on floor " + currentFloor);
			}
			System.out.println("The elevator has reached floor " + endFloor);
		}
		else{
			System.out.println("Sorry, from floor " 
					+ currentFloor 
					+ " we can't go down to floor " 
					+ endFloor);
		}
	}
	
	public static void main(String[] args){
		Elevator e = new Elevator(20); 
		e.up(26); 
		e.down(14); 
	    e.up(10); 
		e.down(30); 
	    e.up(e.currentFloor + 3); 

	}
	
}