Answer Posted / senthil kumar

Both the hash table and arrays is used to store the
element.hash table is derived from the collection base
class.array is the base class of system.object.array is
reference type.which is identified with the position of
array for both insertion and retreival.but the hash table
is stored the data with unique key which helps to refer the
data.

if it is right ok! other wise correct me.

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