--- jsr166/src/test/tck/AtomicReferenceTest.java	2015/04/25 04:55:30	1.24
+++ jsr166/src/test/tck/AtomicReferenceTest.java	2017/03/18 20:42:20	1.28
@@ -126,7 +126,7 @@ public class AtomicReferenceTest extends
         AtomicReference z = serialClone(x);
         assertNotSame(y, z);
         assertEquals(one, x.get());
-        assertEquals(null, y.get());
+        assertNull(y.get());
         assertEquals(one, z.get());
     }
 
@@ -134,7 +134,7 @@ public class AtomicReferenceTest extends
      * toString returns current value.
      */
     public void testToString() {
-        AtomicReference<Integer> ai = new AtomicReference<Integer>(one);
+        AtomicReference<Integer> ai = new AtomicReference<>(one);
         assertEquals(one.toString(), ai.toString());
         ai.set(two);
         assertEquals(two.toString(), ai.toString());