OnJava8-Examples/streams/StreamOfRandoms.java

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// streams/StreamOfRandoms.java
2015-11-14 16:18:05 -08:00
// <20>2016 MindView LLC: see Copyright.txt
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
*/