Question: What will happen if code tries to add an element to a HashSet object and that element already exists in the set? Group of answer

What will happen if code tries to add an element to a HashSet object and that element already exists in the set?
Group of answer choices
An error occurs as it is not possible to add a duplicate element to a set
Nothing will happen and the set retains its original elements
The element is added so there are two occurrences of it in the set

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