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.touchwand/src/main/java/org/openhab/binding/touchwand/internal/TouchWandRestClient.java

@@ -109,7 +109,7 @@ public class TouchWandRestClient {
         String command = buildUrl(CMD_LOGIN) + "user=" + encodedUser + "&" + "psw=" + encodedPass;
         response = sendCommand(command, METHOD_GET, "");
 
-        return !response.equals("Unauthorized");
+        return !"Unauthorized".equals(response);
     }
 
     public String cmdListUnits() {

bundles/org.openhab.binding.touchwand/src/main/java/org/openhab/binding/touchwand/internal/dto/AlarmSensorUnitDataDeserializer.java

@@ -40,7 +40,6 @@ public class AlarmSensorUnitDataDeserializer implements JsonDeserializer<TouchWa
     @Override
     public TouchWandUnitDataAlarmSensor deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
             throws JsonParseException {
-
         TouchWandUnitDataAlarmSensor touchWandUnitDataAlarmSensor = new TouchWandUnitDataAlarmSensor();
 
         JsonObject jsonObject = json.getAsJsonObject();
@@ -65,7 +64,6 @@ public class AlarmSensorUnitDataDeserializer implements JsonDeserializer<TouchWa
                 JsonObject.class);
 
         if (currentStatusObj != null) {
-
             TouchWandAlarmSensorCurrentStatus touchWandUnitDataAlarmSensorCurrentStatus = touchWandUnitDataAlarmSensor
                     .getCurrStatus();