Method getPersonWithID

java/Chapter 10/Question10_2/Server.java:18–28

(int personID)

	}
	
	public Person getPersonWithID(int personID) {
		Integer machineID = personToMachineMap.get(personID);
		if (machineID == null) {
			return null;
		}
		Machine machine = getMachineWithId(machineID);
		if (machine == null) {
			return null;
		}
		return machine.getPersonWithID(personID);
	}
}