<span>In object-oriented approach, functions used to carry out subtasks are also called "helper" functions, because they are usually used by other functions in the object to complete "sub-tasks". Functions are also known as â€methods’. When the task to be carried out by an object is complicated, it is preferable to break it into subtasks or subroutines. It is accomplished by helper functions. They may or may not accept data and may or may not return a value.</span>
Text rotation is also called B. Orientation, in which they change how the page is viewed, commonly portrait or landscape.
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Answer:
(A) Add.
Explanation:
The add method of queue inserts an element at the tail of the queue.
syntax:- queue.add(element);
It's return type is boolean it returns true if the insertion is successful and returns false if the insertion is unsuccessful and it returns an IllegalSpace Exception if there is no space left to insert an element in the queue.
