Simple syntax for array creation.

src/main/java/org/apache/commons/collections4/ComparatorUtils.java

@@ -41,7 +41,7 @@ import org.apache.commons.collections4.comparators.TransformingComparator;
  */
 public class ComparatorUtils {
 
-    private static final Comparator[] EMPTY_COMPARATOR_ARRAY = new Comparator[0];
+    private static final Comparator[] EMPTY_COMPARATOR_ARRAY = {};
 
     /**
      * Don't allow instances.

src/main/java/org/apache/commons/collections4/bloomfilter/HasherBloomFilter.java

@@ -37,7 +37,7 @@ import org.apache.commons.collections4.iterators.IteratorChain;
  */
 public class HasherBloomFilter extends AbstractBloomFilter {
     /** The bit representation for an empty Bloom filter. */
-    private static final long[] EMPTY = new long[0];
+    private static final long[] EMPTY = {};
 
     /**
      * The internal hasher representation.

src/main/java/org/apache/commons/collections4/functors/ChainedTransformer.java

@@ -33,7 +33,7 @@ import org.apache.commons.collections4.Transformer;
  */
 public class ChainedTransformer<T> implements Transformer<T, T>, Serializable {
 
-    private static final Transformer[] EMPTY_TRANSFORMER_ARRAY = new Transformer[0];
+    private static final Transformer[] EMPTY_TRANSFORMER_ARRAY = {};
 
     /** Serial version UID */
     private static final long serialVersionUID = 3514945074733160196L;

src/main/java/org/apache/commons/collections4/map/CompositeMap.java

@@ -47,7 +47,7 @@ import org.apache.commons.collections4.collection.CompositeCollection;
  */
 public class CompositeMap<K, V> extends AbstractIterableMap<K, V> implements Serializable {
 
-    private static final Map[] EMPTY_MAP_ARRAY = new Map[0];
+    private static final Map[] EMPTY_MAP_ARRAY = {};
 
     /** Serialization version */
     private static final long serialVersionUID = -6096931280583808322L;