OnJava8-Examples/threads/ParallelStreamPuzzle.java

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2016-07-05 14:46:09 -06:00
// threads/ParallelStreamPuzzle.java
// (c)2016 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://mindviewinc.com/Books/OnJava/ for more book information.
import java.util.*;
import java.util.function.*;
import java.util.stream.*;
public class ParallelStreamPuzzle {
static class IntGenerator
implements Supplier<Integer> {
private int current = 0;
public Integer get() {
return current++;
}
}
public static void main(String[] args) {
List<Integer> x =
Stream.generate(new IntGenerator())
.limit(10)
.parallel() // (1)
.collect(Collectors.toList());
System.out.println(x);
}
}