Option D is correct. If we want multiple users to access data, we will organise that data in Database we can then be accessed whenever needed.
Answer:D) peek
Explanation:Peek operation or function is the method that is used for the returning of the values on the front of the queue or stack type datatypes. This operation function over those datatypes having group or collection of the elements and does not eliminate any element from the queue.
NOsuchElemnet exception is shown when there is the peek operation in the queue for the element to be displayed on the top and no deletion can take place .Thus, the correct option is option(D).
Answer:
C.find the email address of someone you know
D.maintain an address book of your contacts
E.organize your emails In folders
