Minor changes for new Eclipse checkstyle checks

The laest Eclipse checkstyle version 8.26.0 does more thorough checking
and identified a number of small issues in the apex-pdp codebase. This
review fixes those issues.

Issue-ID: POLICY-1913
Change-Id: I30ba25e3e425c6d54c77f925e8da3ab841a8357c
Signed-off-by: liamfallon <liam.fallon@est.tech>

1 files changed, 9 insertions, 8 deletions

diff --git a/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/TreeMapUtils.java b/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/TreeMapUtils.java
index cb0f799a0..4f43e6c4d 100644
--- a/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/TreeMapUtils.java
+++ b/model/utilities/src/main/java/org/onap/policy/apex/model/utilities/TreeMapUtils.java
@@ -5,15 +5,15 @@
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
- * 
+ *
  *      http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
- * 
+ *
  * SPDX-License-Identifier: Apache-2.0
  * ============LICENSE_END=========================================================
  */
@@ -27,8 +27,8 @@ import java.util.Map.Entry;
 import java.util.NavigableMap;
 
 /**
- * This class provides utility functions for tree maps. A function to find the nearest match in the
- * tree map to an input string is provided.
+ * This class provides utility functions for tree maps. A function to find the nearest match in the tree map to an input
+ * string is provided.
  *
  * @author Liam Fallon (liam.fallon@ericsson.com)
  */
@@ -37,11 +37,12 @@ public abstract class TreeMapUtils {
     /**
      * This class is a utility class that can't be instantiated.
      */
-    private TreeMapUtils() {}
+    private TreeMapUtils() {
+        // Private constructor to block subclassing
+    }
 
     /**
-     * Find the list of entries that matches a given word, for example "p" will match "put",
-     * "policy", and "push".
+     * Find the list of entries that matches a given word, for example "p" will match "put", "policy", and "push".
      *
      * @param <T> the generic type for the value of the tree map
      * @param searchMap the map that the method operates on