At first, set an Interator −
Iterator<Integer>iterator = Arrays.asList(50, 100, 200, 400, 500, 1000).iterator();
Now, we have used stream −
Stream<Integer>stream = convertIterator(iterator);
Above, the method convertIterator() is used for conversion. Following is the method −
public static <T> Stream<T> convertIterator(Iterator<T> iterator) { return StreamSupport.stream(((Iterable) () -> iterator).spliterator(), false); }
Following is the program to convert an Iterator to Stream in Java −
import java.util.stream.*; import java.util.*; public class Demo { public static <T> Stream<T> convertIterator(Iterator<T> iterator) { return StreamSupport.stream(((Iterable) () -> iterator).spliterator(), false); } public static void main(String[] args) { Iterator<Integer>iterator = Arrays.asList(50, 100, 200, 400, 500, 1000).iterator(); Stream<Integer>stream = convertIterator(iterator); System.out.println("Iterator to Stream..."); stream.forEach(s -> System.out.println(s)); } }
Iterator to Stream... 50 100 200 400 500 1000