Compare Stream.toList and Collectors.toList in Java

What is the difference between `stream.toList()` and `stream.collect(Collectors.toList())` in Java? Explain how you would choose between them and how you would obtain a list that you can definitely modify. ### Constraints & Assumptions - Compare documented behavior rather than relying on one JDK implementation's concrete list class. - State the Java-version requirement for `Stream.toList()`. - Distinguish an unmodifiable list from deeply immutable elements. ### Clarifying Questions to Ask - Which Java version must the code support? - Does the caller need to add, remove, or replace list elements after collection? - Is the list being returned as an API result or used as a mutable working collection? ```hint "No guarantee of mutability" is different from both "guaranteed mutable" and "guaranteed unmodifiable." ``` ### What a Strong Answer Covers The answer should compare syntax, availability, encounter order, and mutability guarantees. It should avoid claiming that `Collectors.toList()` promises an `ArrayList`, identify an explicit mutable-collection alternative, and distinguish container modification from mutation of an object stored in the list. ### Follow-up Questions - What could break when replacing an existing `collect(Collectors.toList())` call with `toList()`? - How would you request a specific collection implementation explicitly? - Does parallel collection imply that the returned list is thread-safe?