Java 17 features (#15493)

- add missing @override
- Java style array syntax
- remove redundant modifiers
- always move String constants to left side in comparisons
- simplify lambda expressions and return statements
- use replace instead of replaceAll w/o regex

Signed-off-by: Holger Friedrich <mail@holger-friedrich.de>

bundles/org.openhab.persistence.dynamodb/src/main/java/org/openhab/persistence/dynamodb/internal/AbstractDynamoDBItem.java

@@ -134,8 +134,8 @@ public abstract class AbstractDynamoDBItem<T> implements DynamoDBItem<T> {
         ITEM_CLASS_MAP_NEW.put(PlayerItem.class, DynamoDBBigDecimalItem.class); // Different from LEGACY
     }
 
-    public static final Class<? extends DynamoDBItem<?>> getDynamoItemClass(Class<? extends Item> itemClass,
-            boolean legacy) throws NullPointerException {
+    public static Class<? extends DynamoDBItem<?>> getDynamoItemClass(Class<? extends Item> itemClass, boolean legacy)
+            throws NullPointerException {
         Class<? extends DynamoDBItem<?>> dtoclass = (legacy ? ITEM_CLASS_MAP_LEGACY : ITEM_CLASS_MAP_NEW)
                 .get(itemClass);
         if (dtoclass == null) {

bundles/org.openhab.persistence.dynamodb/src/main/java/org/openhab/persistence/dynamodb/internal/DynamoDBPersistenceService.java

@@ -287,9 +287,8 @@ public class DynamoDBPersistenceService implements QueryablePersistenceService {
         String tableName = localTableNameResolver.fromClass(dtoClass);
         final TableSchema<T> schema = getDynamoDBTableSchema(dtoClass, expectedTableSchemaRevision);
         @SuppressWarnings("unchecked") // OK since this is the only place tableCache is populated
-        DynamoDbAsyncTable<T> table = (DynamoDbAsyncTable<T>) tableCache.computeIfAbsent(dtoClass, clz -> {
-            return localClient.table(tableName, schema);
-        });
+        DynamoDbAsyncTable<T> table = (DynamoDbAsyncTable<T>) tableCache.computeIfAbsent(dtoClass,
+                clz -> localClient.table(tableName, schema));
         if (table == null) {
             // Invariant. To make null checker happy
             throw new IllegalStateException();