Is an object null?
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What is the public field modifier?
What is the need to implement Serializable interface (with no methods) for objects which are to be serialized ? We can write our own functionality which writes objects to streams then why we need to implement and tell JVM that which objects can be serialized.
When does the compiler supply a default constructor for a class?
what do you understand by synchronization? Or what is synchronization and why is it important? Or describe synchronization in respect to multithreading? Or what is synchronization? : Java thread
What is used of static keyword in java?
Why do we create threads in java?
What is generics in java interview questions?
What is n in java?
Where pragma is used?
Does importing a package imports its sub-packages as well in java?
What are the methods used to implement for the key object in the hash map?
Can static methods be overridden?