Answer Posted / srikanth
arraylist is used for storing collection of elements with
duplicates
they can store only keys
it is extending list interface
hashmap
--------
hashmap is used for storing collection of elements with key
value pair without duplicates in unordered way
it is extending map interface
| Is This Answer Correct ? | 6 Yes | 0 No |
Post New Answer View All Answers
Is java still slow?
What is webservices in java?
What are the tools in java?
What is jetty in java?
what is meant by proxy server
What are the components of awt in java?
What is component-managed sign-on ?
How do you make a class immutable in java?
What does java ee stand for?
What is build tool in java?
What is devops in java?
What is java api for xml processing (jaxp)?
Why java is called portable language?
J2ee is a container centric architecture. Explain.
Which java ide is best?
