Answer Posted / salman mohammed

1.) arrays can be access from initial position. for example if we want to search 100th element then it will starts from 0 and then it will checks one by one and then it will reaches to 99. So here it is some what reliable but it tooks a lot of time for searching.

2.) Whereas in hash we are having key and value. Based on this we can easily identify the element which we need with in a short period of time than arrays.
So it is much reliable than arrays.

But both are important to us. Because both are having some good properties which helps us in our programming.

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