Make a non-access modifier local variables. (#966)

src/main/java/org/apache/commons/lang3/Functions.java

@@ -631,7 +631,7 @@ public class Functions {
     public static void tryWithResources(final FailableRunnable<? extends Throwable> action,
         final FailableConsumer<Throwable, ? extends Throwable> errorHandler,
         final FailableRunnable<? extends Throwable>... resources) {
-        org.apache.commons.lang3.function.FailableRunnable<?>[] fr = new org.apache.commons.lang3.function.FailableRunnable[resources.length];
+        final org.apache.commons.lang3.function.FailableRunnable<?>[] fr = new org.apache.commons.lang3.function.FailableRunnable[resources.length];
         Arrays.setAll(fr, i -> () -> resources[i].run());
         Failable.tryWithResources(action::run, errorHandler != null ? errorHandler::accept : null, fr);
     }

src/main/java/org/apache/commons/lang3/text/StrBuilder.java

@@ -2456,7 +2456,7 @@ public class StrBuilder implements CharSequence, Appendable, Serializable, Build
      * @param startIndex  the index to start at, invalid index rounded to edge
      * @return the first index of the string, or -1 if not found
      */
-    public int indexOf(final String str, int startIndex) {
+    public int indexOf(final String str, final int startIndex) {
         return StringUtils.indexOf(this, str, startIndex);
     }
 
@@ -2557,7 +2557,7 @@ public class StrBuilder implements CharSequence, Appendable, Serializable, Build
      * @param startIndex  the index to start at, invalid index rounded to edge
      * @return the last index of the string, or -1 if not found
      */
-    public int lastIndexOf(final String str, int startIndex) {
+    public int lastIndexOf(final String str, final int startIndex) {
         return StringUtils.lastIndexOf(this, str, startIndex);
     }
 

src/main/java/org/apache/commons/lang3/time/FastDateParser.java

@@ -485,7 +485,7 @@ public class FastDateParser implements DateParser, Serializable {
      * @param regex The regular expression to build
      * @return The map of string display names to field values
      */
-    private static Map<String, Integer> appendDisplayNames(final Calendar calendar, Locale locale, final int field,
+    private static Map<String, Integer> appendDisplayNames(final Calendar calendar, final Locale locale, final int field,
             final StringBuilder regex) {
         final Map<String, Integer> values = new HashMap<>();
         final Locale actualLocale = LocaleUtils.toLocale(locale);