Set - 8

Question 46 :

What is the Collections API?

Answer :

The Collections API is a set of classes and interfaces that support operations on collections of objects.


Question 47 :

What is the List interface?

Answer :

The List interface provides support for ordered collections of objects.


Question 48 :

Is sizeof a keyword?

Answer :

The sizeof operator is not a keyword in Java.


Question 49 :

Which class is the superclass for every class.

Answer :

Object.


Question 50 :

Which Container method is used to cause a container to be laid out and redisplayed?

Answer :

validate()