Iterators
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What is Iterators?
An iterator is a mechanism to access a collection's elements sequentially in a performant way. They are often used in loops. On the other hand, they are mutable, and careless use can lead to non-trivial bugs.
Free resources to learn Iterators
More in stage 14: Recursion
Iterators: common questions
Can I learn Iterators in Hindi?
This lesson is written in English. Once you sign in, open it in the interactive course and ask the AI tutor to explain Iterators in Hindi or Hinglish. The tutor answers from this lesson’s own text, so it stays on the syllabus, and it runs on your own Google, OpenAI or Anthropic key.
Is this Iterators tutorial for beginners?
It is lesson 77 of 165 in the free Scala roadmap, in stage 14, Recursion. If you are new to Scala, start from stage 1 and come back here in order; if you already know the earlier stages, this lesson stands on its own.