question from javacross simulation

[Noel Hinders]

Hi all
the following question is taken from http://www.javacross.com please tell me correct answer.
Q].Which of the following makes proper distinction between Collection and Collections in the java standard library
a].Collection is a class collections is a Interface
b].Collections is a class collection is a Interface
c].both Collection and Collections are classes
d].both Collection and Collections are Interfaces
Thanks in advance.

[natarajan meghanathan]

Option b.
Collection is the basic interface and collections class provides some algorithms like sort, shuffle methods for the implementations of the Collection interface.

[Noel Hinders]

Hi , can anyone explain what is Collection, collections.
Thank you.