Quirk: finally overriding return and swallowing exceptions #96

Goal: show why return inside finally is dangerous.

Show:

• return in finally overrides the value returned from try
• return in finally silently discards a thrown exception
• modifying a returned reference vs a primitive inside finally
• contrast with try-with-resources and suppressed exceptions

Where: FirstSteps/src/test/java/pl/mperor/lab/java/quirk