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).
End-User Software. Because it is not professional
Answer: Public
Explanation:
A top level class can have a public, as top level cannot be private and protected because the modifier private is not allowed. As, top level is a class which is not a nested class. Interface of a access modifier is either public or no modifier. There are two types of access control modifier are top level - public and member level- private, protected.
Answer: WIDE AREA NETWORK (WAN)
Explanation: hopes this helps
