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.oceanic/src/main/java/org/openhab/binding/oceanic/internal/handler/NetworkOceanicThingHandler.java

@@ -200,7 +200,6 @@ public class NetworkOceanicThingHandler extends OceanicThingHandler {
                                 }
                             }
                         }
-
                     }
                 } catch (IOException e) {
                     logger.debug("An exception occurred while quering host {}:{} : '{}'", config.ipAddress,

bundles/org.openhab.binding.oceanic/src/main/java/org/openhab/binding/oceanic/internal/handler/SerialOceanicThingHandler.java

@@ -67,7 +67,6 @@ public class SerialOceanicThingHandler extends OceanicThingHandler implements Se
         SerialOceanicBindingConfiguration config = getConfigAs(SerialOceanicBindingConfiguration.class);
 
         if (serialPort == null && config.port != null) {
-
             SerialPortIdentifier portIdentifier = serialPortManager.getIdentifier(config.port);
 
             if (portIdentifier == null) {
@@ -172,7 +171,7 @@ public class SerialOceanicThingHandler extends OceanicThingHandler implements Se
             }
 
             long timeStamp = System.currentTimeMillis();
-            while (lastLineReceived.equals("")) {
+            while ("".equals(lastLineReceived)) {
                 try {
                     Thread.sleep(50);
                 } catch (InterruptedException e) {