Initial data commit

Task/Rate-counter/Java/rate-counter-2.java

@@ -0,0 +1,33 @@
+import java.util.function.IntConsumer;
+import java.util.stream.DoubleStream;
+
+import static java.lang.System.nanoTime;
+import static java.util.stream.DoubleStream.generate;
+
+import static java.lang.System.out;
+
+public interface RateCounter {
+  public static void main(final String... arguments) {
+    benchmark(
+      10,
+      x -> out.print(""),
+      10
+    )
+      .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)
+    ;
+  }
+}