Flip null test

Author: garydgregory

src/main/java/org/apache/commons/pool2/impl/EvictionTimer.java

@@ -220,7 +220,7 @@ private static void remove(final BaseGenericObjectPool<?>.Evictor evictor) {
      * @param period    Duration between executions.
      */
     static synchronized void schedule(final BaseGenericObjectPool<?>.Evictor pool, final Duration delay, final Duration period) {
-        if (null == executor) {
+        if (executor == null) {
             executor = new ScheduledThreadPoolExecutor(1, new EvictorThreadFactory());
             executor.setRemoveOnCancelPolicy(true);
             executor.scheduleAtFixedRate(new Reaper(), delay.toMillis(), period.toMillis(), TimeUnit.MILLISECONDS);

src/main/java/org/apache/commons/pool2/impl/SoftReferenceObjectPool.java

@@ -179,9 +179,9 @@ public synchronized T borrowObject() throws Exception {
         T obj = null;
         boolean newlyCreated = false;
         PooledSoftReference<T> ref = null;
-        while (null == obj) {
+        while (obj == null) {
             if (idleReferences.isEmpty()) {
-                if (null == factory) {
+                if (factory == null) {
                     throw new NoSuchElementException();
                 }
                 newlyCreated = true;