What's the main difference between arraylist / hashmap and vector / hashtable?


No Answer is Posted For this Question
Be the First to Post Answer

Post New Answer

More OOAD Interview Questions

Can you think of some nice examples where *multiple* actors are associated with a use case ?

2 Answers   Protech,


What are all the operators that cannot be overloaded?

0 Answers  


Can an interface implement or extend another interface?

0 Answers  


What is the use if instanceof keyword? And how do refer to a current instance of object?

0 Answers  


What is inheritance in java?

0 Answers  






Explain about message passing in object oriented programming?

0 Answers  


If there is a conflict between base class method definition and interface default method definition, which definition is picked?

1 Answers  


What is sealed modifiers?

0 Answers  


what are the different ways for a method to be overloaded?

0 Answers  


Difference: Object Oriented Analysis (OOA) and Object Oriented Design (OOD)?

2 Answers   CSC, HCL,


Why is planning too much up front a mistake in an OOSAD project?

3 Answers   Infosys,


Which OOPS concept exposes only the necessary information to the calling functions?

0 Answers  


Categories