Java 17 features (N-S) (#15565)

- 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

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

bundles/org.openhab.binding.sensebox/src/main/java/org/openhab/binding/sensebox/internal/SenseBoxHandlerFactory.java

@@ -14,7 +14,6 @@ package org.openhab.binding.sensebox.internal;
 
 import static org.openhab.binding.sensebox.internal.SenseBoxBindingConstants.THING_TYPE_BOX;
 
-import java.util.Collections;
 import java.util.Set;
 
 import org.eclipse.jdt.annotation.NonNullByDefault;
@@ -37,7 +36,7 @@ import org.osgi.service.component.annotations.Component;
 @NonNullByDefault
 public class SenseBoxHandlerFactory extends BaseThingHandlerFactory {
 
-    private static final Set<ThingTypeUID> SUPPORTED_THING_TYPES_UIDS = Collections.singleton(THING_TYPE_BOX);
+    private static final Set<ThingTypeUID> SUPPORTED_THING_TYPES_UIDS = Set.of(THING_TYPE_BOX);
 
     @Override
     public boolean supportsThingType(ThingTypeUID thingTypeUID) {

bundles/org.openhab.binding.sensebox/src/main/java/org/openhab/binding/sensebox/internal/dto/SenseBoxSensor.java

@@ -59,7 +59,7 @@ public class SenseBoxSensor {
     public String getUnit() {
         // the uom library uses the 'MICRO SIGN', so if we encounter the GREEK SMALL LETTER MU,
         // replace it with the proper representation.
-        return unit != null ? unit.replaceAll("\u03bc", "\u00b5") : "";
+        return unit != null ? unit.replace("\u03bc", "\u00b5") : "";
     }
 
     public void setUnit(String unit) {

bundles/org.openhab.binding.sensebox/src/main/java/org/openhab/binding/sensebox/internal/handler/SenseBoxHandler.java

@@ -102,9 +102,7 @@ public class SenseBoxHandler extends BaseThingHandler {
         }
 
         if (senseBoxId != null && validConfig) {
-            cache.put(CACHE_KEY_DATA, () -> {
-                return connection.reallyFetchDataFromServer(senseBoxId);
-            });
+            cache.put(CACHE_KEY_DATA, () -> connection.reallyFetchDataFromServer(senseBoxId));
             updateStatus(ThingStatus.UNKNOWN);
             startAutomaticRefresh();
         } else {