Hello everyone ! I have got a question about method of storing and retrieving player data. Lets say that I have different jobs/proffesions/skills (12 of them), each one has to store just few integers like exp, lvl, etc. I want to get those integers for specific profession and update them each time a player is doing something. (For example blockbreakevent updates exp in excavation skill) What is the best method, performance wise and speed wise, to do this ? I thought about: - creating one large object that will store all player data, with all professions, all getters and setters for ints. Then map that object to player. -create multiple small objects, one for each profession, and mapping those objects to one key player somehow (maybe mapping array of objects or using external libs to do this) I have no problem creating and saving those objects, I'm just worried about performance and speed when I plop all player data into one object. Thank you in advance for all replies.