Remove unnecessary Casting

pom.xml

@@ -458,6 +458,9 @@
     <contributor>
       <name>Stefano Cordio</name>
     </contributor>
+    <contributor>
+      <name>Arturo Bernal</name>
+    </contributor>
   </contributors>
 
   <dependencies>

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

@@ -100,7 +100,7 @@ public class ComparatorUtils {
     @SuppressWarnings("unchecked")
     public static <E> Comparator<E> chainedComparator(final Collection<Comparator<E>> comparators) {
         return chainedComparator(
-            (Comparator<E>[]) comparators.toArray(EMPTY_COMPARATOR_ARRAY)
+                comparators.toArray(EMPTY_COMPARATOR_ARRAY)
         );
     }
 

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

@@ -119,7 +119,7 @@ public class SwitchClosure<E> implements Closure<E>, Serializable {
                           final Closure<? super E>[] closures, final Closure<? super E> defaultClosure) {
         iPredicates = clone ? FunctorUtils.copy(predicates) : predicates;
         iClosures = clone ? FunctorUtils.copy(closures) : closures;
-        iDefault = (Closure<? super E>) (defaultClosure == null ? NOPClosure.<E>nopClosure() : defaultClosure);
+        iDefault = defaultClosure == null ? NOPClosure.<E>nopClosure() : defaultClosure;
     }
 
     /**

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

@@ -130,8 +130,8 @@ public class SwitchTransformer<I, O> implements Transformer<I, O>, Serializable
                              final Transformer<? super I, ? extends O> defaultTransformer) {
         iPredicates = clone ? FunctorUtils.copy(predicates) : predicates;
         iTransformers = clone ? FunctorUtils.copy(transformers) : transformers;
-        iDefault = (Transformer<? super I, ? extends O>) (defaultTransformer == null ?
-                ConstantTransformer.<I, O>nullTransformer() : defaultTransformer);
+        iDefault = defaultTransformer == null ?
+                ConstantTransformer.<I, O>nullTransformer() : defaultTransformer;
     }
 
     /**