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How many types of Iterators are there?

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How many types of Iterators are there?

(a) 5

(b) 2

(c) 3

(d) 4
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Best answer
The correct option is (a) 5

Best explanation: There are 5 types of iterators discussed under STL namely:

i) Input Iterators

ii) Output Iterators

iii) Forward Iterators

iv) Bi-directional Iterators

v) Random-access Iterators.
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