Java clock for JFrame without Timer?

Question

Is it posible to create a clock for a JFrame that works without a timer (for refresh)? Or something what auto-refresh the method?

I am new to Java.
Thanks for every answer. :)

Answer 1

just google game loop there are many ways to implement it. I think its not that easy to understand though. basically you can use for example java.lang.System.currentTimemillis to measure time and then use it with a while loop.