package xmp_func;

import java.util.stream.Stream;
import java.util.List;
import java.util.stream.Collectors;
import java.util.Arrays;

class Streams {

	static public void main(String[] args) {
		Stream<Integer> stream = Stream.of(1,2,3,4);
		List<Integer> sqlist = stream.map(x -> x * x)
                                             .collect(Collectors.toList());
        System.out.println("sqlist: " + sqlist);

		Stream<Integer> stream2 = Stream.of(1,2,3,4);
		Integer[] sqarr = stream2.map(x->x*x)
                                     .toArray(Integer[]::new);
        System.out.println("sqarr: " + Arrays.toString(sqarr));
	}
}