Ensure non-null condition comes 1st in ternary operator

See gh-25232

spring-core/src/test/java/org/springframework/util/ConcurrentReferenceHashMapTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2019 the original author or authors.
+ * Copyright 2002-2020 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -583,7 +583,7 @@ class ConcurrentReferenceHashMapTests {
 			}
 			// For testing we want more control of the hash
 			this.supplementalHash = super.getHash(o);
-			return (o == null ? 0 : o.hashCode());
+			return (o != null ? o.hashCode() : 0);
 		}
 
 		public int getSupplementalHash() {