(commons-configuration) 01/02: Use final

[gg...@apache.org]

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ggregory pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/commons-configuration.git

commit e0fa816086e84dcd07e57d85e39f24ca58138c8e
Author: Gary Gregory <ga...@gmail.com>
AuthorDate: Sun Feb 18 08:57:47 2024 -0500

    Use final
---
 .../org/apache/commons/configuration2/ImmutableConfiguration.java    | 2 +-
 .../commons/configuration2/interpol/ConfigurationInterpolator.java   | 5 +++--
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/main/java/org/apache/commons/configuration2/ImmutableConfiguration.java b/src/main/java/org/apache/commons/configuration2/ImmutableConfiguration.java
index 06af63e5..a7659339 100644
--- a/src/main/java/org/apache/commons/configuration2/ImmutableConfiguration.java
+++ b/src/main/java/org/apache/commons/configuration2/ImmutableConfiguration.java
@@ -524,7 +524,7 @@ public interface ImmutableConfiguration {
      * @see #getKeys()
      * @since 2.10.0
      */
-    default Iterator<String> getKeys(String prefix, String delimiter) {
+    default Iterator<String> getKeys(final String prefix, final String delimiter) {
         return null;
     }
 
diff --git a/src/main/java/org/apache/commons/configuration2/interpol/ConfigurationInterpolator.java b/src/main/java/org/apache/commons/configuration2/interpol/ConfigurationInterpolator.java
index bf6dd01a..14f30d88 100644
--- a/src/main/java/org/apache/commons/configuration2/interpol/ConfigurationInterpolator.java
+++ b/src/main/java/org/apache/commons/configuration2/interpol/ConfigurationInterpolator.java
@@ -679,7 +679,7 @@ public class ConfigurationInterpolator {
                         addLookup(DefaultLookups.valueOf(lookupName.toUpperCase()), lookupMap);
                     }
                 }
-            } catch (IllegalArgumentException exc) {
+            } catch (final IllegalArgumentException exc) {
                 throw new IllegalArgumentException("Invalid default lookups definition: " + str, exc);
             }
 
@@ -723,7 +723,8 @@ public class ConfigurationInterpolator {
                 }
                 if (obj instanceof Iterator) {
                     return nextOrNull((Iterator<?>) obj);
-                } else if (obj.getClass().isArray()) {
+                }
+                if (obj.getClass().isArray()) {
                     return Array.getLength(obj) > 0
                             ? Array.get(obj, 0)
                             : null;