Data structure doubt

You need to implement a DS to store the objects of purchase order and you have to store a object in that DS,remove a object ,change the fields of the object ,search a object using binary search, and sort by heap sort according to date of purchase.
How to implement this DS and how to deal with such questions?

hello @nidhigupta847
there is not any fixed format to deal with such problems.
things will vary from requirement to requirement.

give me some more details of this problem.

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