OnJava8-Examples/streams/StreamOfRandoms.java
Bruce Eckel bc0026c3e1 Radically reorganized
Plus many new examples in "streams" chapter.
2015-11-11 20:20:04 -08:00

17 lines
447 B
Java

// streams/StreamOfRandoms.java
import java.util.*;
import java.util.stream.*;
public class StreamOfRandoms {
static Random rand = new Random(47);
public static void main(String[] args) {
Stream.of(1, 2, 3, 4, 5)
.flatMapToInt(i -> IntStream.concat(
rand.ints(0, 100).limit(i), IntStream.of(-1)))
.forEach(n -> System.out.format("%d ", n));
}
}
/* Output:
58 -1 55 93 -1 61 61 29 -1 68 0 22 7 -1 88 28 51 89 9 -1
*/