What are some advanced features of the Java Streams API?
The Java Streams API offers several advanced features like parallel processing, collectors, and custom collectors.
Can you explain how to use collectors in the Streams API?
Sure! Collectors are used to accumulate elements into collections. For example, you can use Collectors.toList()
to collect elements into a List.
What is the difference between map
and flatMap
in Streams?
map
transforms each element, while flatMap
flattens nested structures. Use flatMap
when dealing with streams of streams.
How can I perform parallel processing with Streams?
You can use the parallelStream()
method to process elements in parallel, which can improve performance for large datasets.
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