Print parallelism size from ForkJoinPool (#69)

Author: mperor

JavaReleases/src/test/java/pl/mperor/lab/java/Java7.java

@@ -118,6 +118,7 @@ public void testNewInputOutputV2AkaNIO2() throws IOException {
     public void testForkJoinFibonacci() {
         int proc = Runtime.getRuntime().availableProcessors();
         ForkJoinPool pool = ForkJoinPool.commonPool();
+        System.out.printf("ForkJoinPool parallelism size: 🥚[%s]%n", pool.getParallelism());
         Assertions.assertEquals(proc - 1, pool.getParallelism());
 
         int[] fibonacciResults = {0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55};