Round IV

Is it possible to access a private method outside it's class? Done using reflection.

Iterator and ListIterator

how to delete a element from a collection.

Singleton, which is threadsafe.

difference between statement and preparedStatement object.

what is outer join?

synchronization - how to synchronize static methods?

Jmeter, i did talk more about pathway on NSK and it acutally load balances.

any singleton classes available in java. Runtime() I dint say this.

Runtime class for finding memory.

did ask about synchronizedset, synchronizedlist and synchronizedmap.

factory pattern. gave a complete picture about this w.r.t NSJSP manager code.

Adding Questions

What are the conditions underwhich finally() wont be called?

Differences between wait() and sleep()?

What is static/early binding and dynamic/late binding?

How to create user defined exceptions? How to use throw and throws?

What is synchrnization? What are threads and why do we need them?

Static block

Updated on 8th May 2010

I have a design, which gets changed often. In this case, which is to be used either abstract class or interface?

Difference b/w wait() and sleep()?

Difference b/w Hashmap and Hashtable? How to synchronize my HashMap()?

Features in Java1.5

Difference b/w stringBuffer and stringBuilder?

Reflection