what is meant by abstract class?
Who found java?
How can you share data between two thread in Java?
Which api is provided by java for operations on set of objects?
what is meant wrapper classes?
What is run time allocation?
Is cout buffered?
Can anonymous class have constructor?
What is difference between hashset and hashmap?
What are the different types of sorting in java?
What is a databasemetadata?
Can we make a constructor final?
What is final keyword?
Can final class have constructor?
Explain about map interface in java?