Added new class CollectionUtils and new method reverseList

power-collections/src/main/java/org/nanoboot/powerframework/collections/CollectionUtils.java

@@ -0,0 +1,49 @@
+///////////////////////////////////////////////////////////////////////////////////////////////
+// power-framework: Java library with many purposes of usage.
+// Copyright (C) 2016-2022 the original author or authors.
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation;
+// version 2.1 of the License only.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+///////////////////////////////////////////////////////////////////////////////////////////////
+package org.nanoboot.powerframework.collections;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.ListIterator;
+
+/**
+ *
+ *
+ * @author <a href="mailto:robertvokac@nanoboot.org">Robert Vokac</a>
+ * @since 2.0.0
+ */
+public class CollectionUtils {
+
+    private CollectionUtils() {
+        //Not meant to be instantiated.
+    }
+
+    public static <T> List<T> reverseList(List<T> list) {
+
+        List<T> reversedList = new ArrayList<>();
+        ListIterator<T> listIterator
+                = list.listIterator(list.size());
+        while (listIterator.hasPrevious()) {
+            T t = listIterator.previous();
+            reversedList.add(t);
+        }
+        return reversedList;
+
+    }
+}