Initial data commit

Task/Rate-counter/Java/rate-counter-1.java

@@ -0,0 +1,19 @@
+import java.util.function.Consumer;
+
+public class RateCounter {
+
+    public static void main(String[] args) {
+        for (double d : benchmark(10, x -> System.out.print(""), 10))
+            System.out.println(d);
+    }
+
+    static double[] benchmark(int n, Consumer<Integer> f, int arg) {
+        double[] timings = new double[n];
+        for (int i = 0; i < n; i++) {
+            long time = System.nanoTime();
+            f.accept(arg);
+            timings[i] = System.nanoTime() - time;
+        }
+        return timings;
+    }
+}