Add generics to JXPathContext.iterate(String)

Author: garydgregory

src/changes/changes.xml

@@ -101,6 +101,7 @@ The <action> type attribute can be add,update,fix,remove.
         [StepSecurity] ci: Harden GitHub Actions #66.
       </action>
       <action dev="ggregory" type="fix" due-to="Gary Gregory">Fix PMD UnnecessaryFullyQualifiedName.</action>
+      <action dev="ggregory" type="fix" due-to="Gary Gregory">Add generics to JXPathContext.iterate(String).</action>
       <!-- ADD -->
       <action issue="JXPATH-123" dev="mbenson" type="add">
         XPath function "ends-with" is not implemented (although "starts-with" is).

src/main/java/org/apache/commons/jxpath/JXPathContext.java

@@ -784,10 +784,12 @@ public List selectNodes(final String xpath) {
      * Traverses the xpath and returns an Iterator of all results found
      * for the path. If the xpath matches no properties
      * in the graph, the Iterator will be empty, but not null.
+     *
+     * @param <E> the type of elements returned by the iterator.
      * @param xpath to iterate
      * @return Iterator
      */
-    public abstract Iterator iterate(String xpath);
+    public abstract <E> Iterator<E> iterate(String xpath);
 
     /**
      * Traverses the xpath and returns a Pointer. A Pointer provides easy access