How do methods of transforming data streams into lists differ in various cases of using Streams API?

In Java Streams API, transforming a data stream into a list is usually done using the terminal operation collect(Collectors.toList()). However, depending on the context and requirements, different methods may be used:

1. Collecting into a list with Collectors.toList() — returns a list but does not guarantee a specific list type or immutability.

List<String> list = stream.collect(Collectors.toList());

2. Collecting into a specific list type with Collectors.toCollection() — allows specifying a particular list implementation, such as LinkedList:

List<String> linkedList = stream.collect(Collectors.toCollection(LinkedList::new));

3. Using toArray() with subsequent conversion — if an array is needed first, then a list:

List<String> list = Arrays.asList(stream.toArray(String[]::new));

4. Using forEach() to add elements to an existing list — less functional and not recommended, as it breaks immutability and stream processing.

The choice of method depends on the requirements for list type, mutability, and performance.