Migrate toward java.util.function

- Package-private changes only
- Maintains binary and source compatibility

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

@@ -51,7 +51,7 @@ public abstract class AbstractQuantifierPredicate<T> extends AbstractPredicate<T
      */
     @Override
     public Predicate<? super T>[] getPredicates() {
-        return FunctorUtils.<T>copy(iPredicates);
+        return FunctorUtils.copy(iPredicates);
     }
 
 }

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

@@ -84,8 +84,8 @@ public final class AllPredicate<T> extends AbstractQuantifierPredicate<T> {
         if (predicates.length == 1) {
             return coerce(predicates[0]);
         }
-
-        return new AllPredicate<>(FunctorUtils.copy(predicates));
+        // <T> not needed in Eclipse but needed by the command line compiler
+        return new AllPredicate<T>(FunctorUtils.copy(predicates));
     }
 
     /**

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

@@ -82,7 +82,7 @@ public final class AnyPredicate<T> extends AbstractQuantifierPredicate<T> {
         if (predicates.length == 1) {
             return (Predicate<T>) predicates[0];
         }
-        return new AnyPredicate<>(FunctorUtils.copy(predicates));
+        return new AnyPredicate<T>(FunctorUtils.copy(predicates));
     }
 
     /**

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

@@ -87,7 +87,7 @@ final class FunctorUtils {
      * @return the cloned consumers.
      */
     @SuppressWarnings("unchecked")
-    static <C extends Consumer<?>> C[] copy(final C... consumers) {
+    static <T extends Consumer<?>> T[] copy(final T... consumers) {
         if (consumers == null) {
             return null;
         }
@@ -103,11 +103,11 @@ final class FunctorUtils {
      * @return the cloned predicates
      */
     @SuppressWarnings("unchecked")
-    static <T> Predicate<T>[] copy(final Predicate<? super T>... predicates) {
+    static <T extends java.util.function.Predicate<?>> T[] copy(final T... predicates) {
         if (predicates == null) {
             return null;
         }
-        return (Predicate<T>[]) predicates.clone();
+        return predicates.clone();
     }
 
     /**

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

@@ -72,7 +72,8 @@ public final class NonePredicate<T> extends AbstractQuantifierPredicate<T> {
         if (predicates.length == 0) {
             return TruePredicate.<T>truePredicate();
         }
-        return new NonePredicate<>(FunctorUtils.copy(predicates));
+        // <T> not needed in Eclipse but needed by the command line compiler
+        return new NonePredicate<T>(FunctorUtils.copy(predicates));
     }
 
     /**

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

@@ -72,7 +72,8 @@ public final class OnePredicate<T> extends AbstractQuantifierPredicate<T> {
         if (predicates.length == 1) {
             return (Predicate<T>) predicates[0];
         }
-        return new OnePredicate<>(FunctorUtils.copy(predicates));
+        // <T> not needed in Eclipse but needed by the command line compiler
+        return new OnePredicate<T>(FunctorUtils.copy(predicates));
     }
 
     /**

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

@@ -177,7 +177,7 @@ public class SwitchClosure<E> implements Closure<E>, Serializable {
      * @since 3.1
      */
     public Predicate<? super E>[] getPredicates() {
-        return FunctorUtils.<E>copy(iPredicates);
+        return FunctorUtils.copy(iPredicates);
     }
 
 }

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

@@ -164,7 +164,7 @@ public class SwitchTransformer<I, O> implements Transformer<I, O>, Serializable
      * @since 3.1
      */
     public Predicate<? super I>[] getPredicates() {
-        return FunctorUtils.<I>copy(iPredicates);
+        return FunctorUtils.copy(iPredicates);
     }
 
     /**