where singleton classes are used in j2ee web application.can
we use it for connection pooling.
Is it possible to do method overloading and overriding at a time
What are null interfaces in JAVA ? and give me some examples?
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.
Can we serialize static variables in java?
Why we cannot override static method?
what is difference between interface and abstract class..?
What is JDBC Driver interface?How can you retrieve data from the ResultSet
Is it possible to instantiate the abstract class?
what do you mean by marker interface in java?
What are basic data types?
What is passing value java?
What does next mean in java?