What is the difference between comparable and comparator in java.util pkg?

579

Should we create system software ( e.g operating system ) in java ?

568

What are the considerations to be made in case of loops in java ?

556

What do you understand by synchronization? Why is it important?

559

What are the main classes of the list interfaces? : java collections

567

What are the differences between the java collection and the java list? : java collections

600

What is the use of hashcode in java ?

566

What are maps interfaces in the java collections? : java collections

563

What is the Spring2.5 MVC Navigation flow?

5357

How is hashset maintained in memory by java ?

584

What is an algorithm in java collection framework? : java collections

564

What are the uses of the set interfaces in the java collections? : java collections

529

Which java collection class can be used to maintain the entries in the order in which they were last accessed?

549

What are the different types of ways where you can iterate over a list? : java collections

568

Hi frnds how to lock an user when he enter wrong credentials more than 3 time using java or j2ee tech take username and password in a bean no need to connect DB and validate give me some sample application code or links its urgent for me thanks in advance

1859