Collectors toCollection(Supplier collectionFactory) example
Description
Collectors toCollection(Supplier<C> collectionFactory)
returns a Collector that accumulates the input elements into a new Collection, in encounter order.
Syntax
toCollection has the following syntax.
public static <T,C extends Collection<T>> Collector<T,?,C> toCollection(Supplier<C> collectionFactory)
Example
The following example shows how to use toCollection.
import java.util.Collection;
import java.util.TreeSet;
import java.util.stream.Collectors;
import java.util.stream.Stream;
/*from w ww.ja v a2 s. c o m*/
public class Main {
public static void main(String[] args) {
Stream<String> s = Stream.of("a","b","c");
Collection<String> names = s
.collect(Collectors.toCollection(TreeSet::new));
System.out.println(names);
}
}
The code above generates the following result.
