What is the common usage of serialization? What exceptions occur during serialization?
Which way a developer should use for creating thread, i.e. Sub classing thread or implementing runnable.
What are the different ways of creating thread?
What will happen if non-synchronized method calls a static synchronized method and what kind of lock it acquires?
What is the use of volatile in java?
Mention the default values of all the elements of an array defined as an instance variable.
What are the steps in the jdbc connection?
Why singleton pattern is better than creating singleton class with static instance?
Write a code to create a trigger to call a stored procedure
What is the difference between preparedstatement and statement in java?
What is the difference between synchronized and synchronized block?
What is the use of join method?
What do you understand by weak reference?
what is the purpose of the runtime class?
When should you use arraylist and when should you use linkedlist?