This week's book giveaway is in the Reactive Progamming forum. We're giving away four copies of Reactive Streams in Java: Concurrency with RxJava, Reactor, and Akka Streams and have Adam Davis on-line! See this thread for details.
I'm using the rs.next comand in a program and very well. But when I try to use in a jbuttomn throws an error" local variables referenced from an inner class must be final or effectively final"
How can I fix this?