如何用Java存储数据？数据库？

I am writing an application that I want to store, retrieve, sort, and search data. I am using Java and I have the GUI and some functionality written already but I have no idea how to store data in Java. I have done a VERY little bit of work with SQLite when I was writing an app for my android phone and was looking for something like that maybe.I am writing an application that I want to stor