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How to Convert a Java 8 Stream to an Array?
To convert a stream to an Array in Java -
- Collect the stream to a list using the Collect interface and the Collectors class.
- Now convert the list to an array using the toArray() method.
Example
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;
import java.util.stream.Stream;
public class J8StreamToArray {
public static void main(String args[]) {
String[] myArray = { "JavaFX", "OpenCV", "WebGL", "HBase" };
Stream<String> stream = Stream.of(myArray);
List<String> list = stream.collect(Collectors.toList());
String[] str = list.toArray(new String[0]);
System.out.println(Arrays.toString(str));
}
}Output
[JavaFX, OpenCV, WebGL, HBase]
Updated on 19-Dec-2019 08:54:20
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