Practice Iterator Pattern (27.3.16) - Design Patterns

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6 sample questions

Question 1.
What is the primary purpose of the Iterator Pattern?
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Think about why we want to hide the structure.
Question 2.
Name one advantage of using the Iterator Pattern.
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Consider how changing one part affects the other.
3Question 3.
What is the purpose of the Iterator Pattern?
- To expose the inner workings of a collection
- To provide a way to access elements sequentially
- To modify the collection's structure
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Focus on the order of access to the elements.
4Question 4.
True or False: The Iterator Pattern can be used to traverse any type of collection.
- True
- False
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Consider the flexibility of the pattern.
Question 5.
Implement a custom iterator for a to-do list application that allows adding and removing tasks during iteration without skipping any tasks.
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Think about how you can maintain the index while iterating.
Question 6.
Design a multi-threaded iterator that safely handles data access across concurrent processes. What safeguards would you include?
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Consider locking mechanisms.

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