基于Java客户端/服务器设置的后端使用的最佳架构是什么？

I'm fairly new to programming and have been focussing a great deal on Java in recent months. I would like to write an application with a Java applet front end which will capture information about my users and allow for them to be organised for sporting events. This seems to lend itself very nicely to the object orientated approach (e.g. each user is an object, each event is an object, each coach is an object, etc.).I'm fairly new to programming and have been foc