Top Answers

1. Why is a ConcurrentModificationException thrown and how to debug it
   299 votes
2. In Java, how do I call a base class's method from the overriding method in a derived class?
   144 votes
3. Is there any performance reason to declare method parameters final in Java?
   98 votes
4. Why is spawning threads in Java EE container discouraged?
   85 votes
5. Java dynamic binding and method overriding
   82 votes