Java Collection Practice Test-1

Is it possible to make an array volatile in java?

Why map interface does not extend the collection interface?

What is hash collision in java?

How to handle hash collision in java?

How do you convert a given collection to synchronized collection?

For addition and deletion which one is most preferred ArrayList or LinkedList?

For searching which one is most preferred LinkedList or ArrayList?

Which is correct array declaration?

Which is correct array data declaration?

Which class have remove() method more faster for use?