What happens if we don't close the connection in jdbc?

895

Why is my jms work not part of a user transaction (i.e., Called within a transaction but not rolled back appropriately)? How do I track down transaction problems? : BEA Weblogic

924

Why is java not 100% pure oops?

1182

What does the @override annotation do?

1055

What does mappedby mean in hibernate?

378

What do you understand by garbage collection in Java? Can it be forced to run?

1000

What does @singleton annotation do?

1025

What is string example?

1068

What is the difference between merge and update method?

508

What is stateless and stateful in java?

1035

What is @entity in java?

971

What is hibernate bag collection?

333

What is string buffer?

957

What is strategy in hibernate?

434

Explain different states of a thread in java?

1069