Consider the below code snippet:
import java.util.TreeSet;
import java.util.stream.Stream;
public class TreeStream {
public static void main(String[] args) {
Stream stream = Stream.of("w", "o", "l", "f","2");
TreeSet set = stream.collect(TreeSet::new, TreeSet::add,TreeSet::addAll);
System.out.println(set);
}
}
What is the output when it is executed?

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