Collectors toCollection(Supplier<C> collectionFactory)
Returns a Collector that accumulates the input elements into a new Collection, in encounter order. The Collection is created by the provided factory.
Collectors toCollection() Examples
Example 1
<br />
import java.util.ArrayList;<br />
import java.util.Arrays;<br />
import java.util.List;<br />
import java.util.stream.Collectors;<br />
// author programtalk.com<br />
public class CollectorsToCollectionExample {<br />
public static void main(String[] args) {<br />
List<String> list = Arrays.asList("Obama","Trump","Next");</p>
<p> List<String> presidents = list.stream()<br />
.collect(Collectors.toCollection(ArrayList::new));</p>
<p> presidents.forEach(System.out::println);<br />
}<br />
}<br />
Output is:
<br /> Obama<br /> Trump<br /> Next<br />
Example 2 : Easy create a list and add one item
<br />
import java.util.ArrayList;<br />
import java.util.stream.Collectors;<br />
import java.util.stream.Stream;<br />
// author programtalk.com<br />
public class CollectorsToCollectionExample {<br />
public static void main(String[] args) {<br />
ArrayList<String> collect = Stream.of("hello").collect(Collectors.toCollection(ArrayList::new));<br />
collect.forEach(System.out::println);<br />
}<br />
}<br />
Output is:
<br /> hello<br />
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