This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
I have an Employee object and a Parking Space Object. The have a one to one relation i.e., an employee will always be associated to only one parking space, that parking space should not be associated to any other employee.