Use generics internally

Author: garydgregory

src/main/java/org/apache/commons/beanutils/converters/AbstractArrayConverter.java

@@ -179,7 +179,7 @@ protected List parseElements(String svalue) {
             st.wordChars('-', '-');
 
             // Split comma-delimited tokens into a List
-            final ArrayList list = new ArrayList();
+            final ArrayList<String> list = new ArrayList<>();
             while (true) {
                 final int ttype = st.nextToken();
                 if (ttype == StreamTokenizer.TT_WORD ||