How to keep a java program updated without the need to update in sql?

Question

Hello, good afternoon, I am a young programmer in Java, officially I am a technician and I graduated from high school, I wanted to ask a question about a problem that I could not solve, I am developing a program where the app has to update the results in real time while there is Updates in the database, I don't know how to make the software update without the need to press a button that updates the tables by consulting the database

Answer 1

JavaScript