Wednesday, May 2, 2007

Questions on java.util.* and* package

What is Collection?

Explain List,Set and Map.

What is the serialization?

What is the difference between Serializable and Externalizable interface?

What is memory leak?

Difference between ArrayList and Vector class?

What is the difference between Hashtable and HashMap?



Interview Questions On Java,Java EE Copyright © 2017. Reads: best tracker