Rate counter: Difference between revisions

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 {{trans|JavaScript}}
 {{works with|Java|8}}
-<lang java>import java.util.function.Consumer;
+<lang java>import java.util.function.IntConsumer;
+import java.util.stream.DoubleStream;
+import static java.lang.System.nanoTime;
-public class RateCounter {
+import static java.util.stream.DoubleStream.generate;
+import static java.lang.System.out;
-    public static void main(String[] args) {
-        for (double d : benchmark(10, x -> System.out.print(""), 10))
-            System.out.println(d);
-    }
+public interface RateCounter {
-    static double[] benchmark(int n, Consumer<Integer> f, int arg) {
+  public static void main(final String... arguments) {
-        double[] timings = new double[n];
+    benchmark(
-        for (int i = 0; i < n; i++) {
+,
-            long time = System.nanoTime();
-            f.accept(arg);
+      x -> out.print(""),
-            timings[i] = System.nanoTime() - time;
-        }
+    )
-        return timings;
+      .forEach(out::println)
-    }
+    ;
+  }
+  public static DoubleStream benchmark(
+    final int n,
+    final IntConsumer consumer,
+    final int argument
+  ) {
+    return generate(() -> {
+      final long time = nanoTime();
+      consumer.accept(argument);
+      return nanoTime() - time;
+    })
+      .limit(n)
+    ;
+  }
 }</lang>
-<pre>70469.0
+<pre>81431.0
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 =={{header|JavaScript}}==