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| public class TwoStreamTest { | |
| public static void main(String args[]) throws Exception { | |
| ThreadTest test = new ThreadTest(); | |
| test.executeTasks(); | |
| } | |
| void executeTasks() throws Exception { | |
| final List<Integer> firstRange = buildIntRange(); | |
| final List<Integer> secondRange = buildIntRange(); | |
| Runnable firstTask = () -> { | |
| firstRange.parallelStream().forEach((number) -> { | |
| try { | |
| // do something slow | |
| Thread.sleep(5); | |
| } catch (InterruptedException e) { } | |
| }); | |
| }; | |
| Runnable secondTask = () -> { | |
| secondRange.parallelStream().forEach((number) -> { | |
| try { | |
| // do something slow | |
| Thread.sleep(5); | |
| } catch (InterruptedException e) { } | |
| }); | |
| }; | |
| Thread t1 = new Thread(firstTask); | |
| Thread t2 = new Thread(secondTask); | |
| t1.start(); | |
| t2.start(); | |
| t1.join(); | |
| t2.join(); | |
| } | |
| private List<Integer> buildIntRange() { | |
| List<Integer> numbers = new ArrayList<>(5); | |
| for (int i=0; i<60_000; i++) | |
| numbers.add(i); | |
| return Collections.unmodifiableList(numbers); | |
| } | |
| } |
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main method should be TwoStreamTest test = new TwoStreamTest();