Additional Notes
When do you need an `Iterator` instead of only an enhanced for-loop?
Track: Java
Topic: Collections
Focus: Iteration and Traversal
Java: Iteration and Traversal
Answer
When you must remove elements safely during traversal.
Enhanced for-loops are great for simple reads, but iterators matter when the traversal itself changes the collection. That is part of choosing the right traversal tool for the operation.
Enhanced for-loops are great for simple reads, but iterators matter when the traversal itself changes the collection. That is part of choosing the right traversal tool for the operation.
Topics: Collections Iteration and Traversal Java