How does the Java Stream API ensure thread safety?
The Java Stream API is designed to be used in a concurrent environment, but it doesn't guarantee thread safety by default. You need to ensure that the data being processed is thread-safe.
What are some common practices to make streams thread-safe?
You can use synchronized collections, or you can use parallel streams with caution. Also, avoid modifying shared mutable state.
Can you give an example of using parallel streams safely?
Sure! If you're processing a list of immutable objects, you can safely use parallel streams. For example, list.parallelStream().map(...)
works well without issues.
What happens if I modify a collection while streaming?
Modifying a collection while streaming can lead to ConcurrentModificationException
. It's best to avoid such modifications during the stream operation.
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