StreamSources.java

package functionalProgramming;

import java.util.ArrayList;
import java.util.List;
import java.util.stream.Stream;

/**
 * 
 * @author chengfeili 
 * Jun 8, 2017 9:37:58 PM
 *
 */
public class StreamSources {

	public void test() {
		Stream<String> empty = Stream.empty(); // count = 0;
		Stream<Integer> singleElement = Stream.of(1);
		Stream<Integer> formArray = Stream.of(1, 2, 3);
		// Java provides a convenient way to convert from a list to a stream
		List<String> list = new ArrayList<>();
		Stream<String> fromList = list.stream();
		Stream<String> fromListParallel = list.parallelStream();

		// infinite stream
		Stream<Double> randoms = Stream.generate(Math::random);
		Stream<Integer> oddNumbers = Stream.iterate(1, n -> n + 2);
	}
}