// method to change floor
public String changeFloor(int floorno) {
panel.setSelectedFloor(floorno);
if (getElevatorFloor() > panel.getSelectedFloor()) {
elevStatus = "down";
} else if (getElevatorFloor() < panel.getSelectedFloor()) {
elevStatus = "up";
}
floor.setCurrentFloorNumber(panel.getSelectedFloor());
floor.openFloorDoor(); // opening floor door
door.opendoor(); // opening elevator door
floor.closeFloorDoor();
door.closedoor();
return elevStatus;
}
