Java 17 features (T-Z) (#15576)

- 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
- instanceof matching and multiline strings
- remove null check before instanceof

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

bundles/org.openhab.binding.teleinfo/src/main/java/org/openhab/binding/teleinfo/internal/TeleinfoDiscoveryService.java

@@ -187,8 +187,8 @@ public class TeleinfoDiscoveryService extends AbstractDiscoveryService
 
     @Override
     public void setThingHandler(@Nullable ThingHandler handler) {
-        if (handler instanceof TeleinfoAbstractControllerHandler) {
-            controllerHandler = (TeleinfoAbstractControllerHandler) handler;
+        if (handler instanceof TeleinfoAbstractControllerHandler teleinfoAbstractControllerHandler) {
+            controllerHandler = teleinfoAbstractControllerHandler;
         }
     }
 

bundles/org.openhab.binding.teleinfo/src/main/java/org/openhab/binding/teleinfo/internal/handler/TeleinfoAbstractControllerHandler.java

@@ -13,7 +13,6 @@
 package org.openhab.binding.teleinfo.internal.handler;
 
 import java.util.Collection;
-import java.util.Collections;
 import java.util.Set;
 import java.util.concurrent.CopyOnWriteArraySet;
 
@@ -52,6 +51,6 @@ public abstract class TeleinfoAbstractControllerHandler extends BaseBridgeHandle
 
     @Override
     public Collection<Class<? extends ThingHandlerService>> getServices() {
-        return Collections.singleton(TeleinfoDiscoveryService.class);
+        return Set.of(TeleinfoDiscoveryService.class);
     }
 }