fashionable is mostly used to associate key along with their values so that each of the keys is associated with at least 1 or 0 values. In this order, every key is able to compute the "hash" function which consumes all of its information and digests it under a single integer. Hash table also consists of an array of hash buckets and to add any key-value pair to this table it is essential to compute its hashcode and use it to choose hash bucket from where the mapping originate. also to look up for the value of a key one needs to compute the bucket where the key resides and check if the key is there. if the key is present one can easily return the value stored in the bucket. To eliminate make pink for any key what has to locate the keys mapping and then remove it from its corresponding bucket. It is important to know that the hash function is basically decided in advance.

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BY Best Interview Question ON 17 Oct 2019