Java 17 features (H-M) (#15520)

- 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.irobot/src/main/java/org/openhab/binding/irobot/internal/IRobotHandlerFactory.java

@@ -14,7 +14,6 @@ package org.openhab.binding.irobot.internal;
 
 import static org.openhab.binding.irobot.internal.IRobotBindingConstants.THING_TYPE_ROOMBA;
 
-import java.util.Collections;
 import java.util.Set;
 
 import org.eclipse.jdt.annotation.NonNullByDefault;
@@ -38,7 +37,7 @@ import org.osgi.service.component.annotations.Component;
 @NonNullByDefault
 public class IRobotHandlerFactory extends BaseThingHandlerFactory {
 
-    private static final Set<ThingTypeUID> SUPPORTED_THING_TYPES_UIDS = Collections.singleton(THING_TYPE_ROOMBA);
+    private static final Set<ThingTypeUID> SUPPORTED_THING_TYPES_UIDS = Set.of(THING_TYPE_ROOMBA);
 
     @Override
     public boolean supportsThingType(ThingTypeUID thingTypeUID) {

bundles/org.openhab.binding.irobot/src/main/java/org/openhab/binding/irobot/internal/dto/MQTTProtocol.java

@@ -128,7 +128,7 @@ public class MQTTProtocol {
         }
 
         public boolean cycleEnabled(int i) {
-            return cycle[i].equals("start");
+            return "start".equals(cycle[i]);
         }
 
         public void enableCycle(int i, boolean enable) {