Answer:
Polymorphism means that a variable of supertype can refer to a subtype object.
Explanation:
For example, in Python programming language, a function that accepts an iterable object uses the concept of polymorphism because that function can accept strings, lists, tuples as arguments.
Answer:
In the time complexity, the array-list can easily be accessible any type of element in the the given list in the fixed amount of time.
On the other hand, the linked list basically require that the list must be traversed from one position to another end position.
The Array-List can get to any component of the rundown in a similar measure of time if the file value is know, while the Linked-List requires the rundown to be crossed from one end or the other to arrive at a position.
Answer: The applicable answers are b, c, and d.
Explanation:
When a company decides to hire the services of a cloud computing service provider, instead of investing in purchasing the resources needed in order to match its needs, as the cloud model is based on the concept "pay as you go", it allows to maximize the costs efficiency, and at the same time, gives the company the choice to define what type of steps are needed to grow, and when it is advisable to go beyond.
Finally, as it is possible to expand the services hired on the fly very easily, it is a very good way to be sure that it will never ran out of resources, no matter that future needs could be.
Actually, the only answer that is wrong is a) because it happens just the opposite: Cloud services allow to decrease time to market substantially.
