What is the java idl system?
Can a class have multiple superclasses?
How do you create a null object?
How do you write a good declaration?
How do you print array in java?
Explain method overloading?
does java support pointers?
what is purpose of collections.unmodified() method..?
when to for abstract class and when to go for interface
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.
What is string data type?
Define "Access specifiers" in java.
Does java support multiple inheritances?