user.setUsername("jdoe");
user.setFirstName("John");
user.setLastName("Doe");
userCache.put(user.getUsername(), user);
Document doc = new Document();
doc.setName("hello");
doc.setTitle("Hello World");
doc.setArticle("hello there... this is a test");
docCache.put(doc.getName(), doc);
Vehicle v = new Vehicle();
v.setId(new VehicleId("CA", "123456"));
v.setColor("RED");
vehicleCache.put(v.getId(), v);