SOME MORE Q ABOUT JAVA ..

1. hashCode

   and

   equals

   methods relation
2. synchronization (

   waitAll

   ,

   wait

   ,

   notify

   )
3. difference between checked and unchecked exceptions
4. Difference between keywords

   final

   /

   finally

   /

   finalize

5. GOF patterns (

   Singleton

   , and

   Double

   check singleton)
6. Difference between

   LinkedList

   and

   ArrayList

   ,

   TreeMap

   and

   HashMap