import java.util.stream.LongStream; /** * * @author Ferrybig */ public class TimeMilies { public final static boolean USE_SLEEPING_THREAD = true; public final static boolean USE_DISTINCT = true; public static void main(String... args) { if (USE_SLEEPING_THREAD) { Thread t = new Thread(() -> { try { Thread.sleep(Long.MAX_VALUE); } catch (InterruptedException ex) { Thread.currentThread().interrupt(); } }); t.setDaemon(true); t.start(); } LongStream s = LongStream.generate(System::currentTimeMillis); if (USE_DISTINCT) { s = s.distinct(); } s.limit(50).forEach(System.out::println); } }