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.phc/src/main/java/org/openhab/binding/phc/internal/PHCHelper.java

@@ -38,9 +38,7 @@ public class PHCHelper {
         String thingID = StringUtils.padLeft(Integer.toBinaryString(moduleAddr & 0xFF).trim(), 5, "0");
         thingID = new StringBuilder(thingID).reverse().toString();
 
-        ThingUID thingUID = new ThingUID(thingTypeUID, thingID);
-
-        return thingUID;
+        return new ThingUID(thingTypeUID, thingID);
     }
 
     /**

bundles/org.openhab.binding.phc/src/main/java/org/openhab/binding/phc/internal/handler/PHCBridgeHandler.java

@@ -77,9 +77,9 @@ public class PHCBridgeHandler extends BaseBridgeHandler implements SerialPortEve
     private final BlockingQueue<QueueObject> sendQueue = new LinkedBlockingQueue<>();
     private final ScheduledThreadPoolExecutor threadPoolExecutor = new ScheduledThreadPoolExecutor(3);
 
-    private final byte emLedOutputState[] = new byte[32];
-    private final byte amOutputState[] = new byte[32];
-    private final byte dmOutputState[] = new byte[32];
+    private final byte[] emLedOutputState = new byte[32];
+    private final byte[] amOutputState = new byte[32];
+    private final byte[] dmOutputState = new byte[32];
 
     private final List<Byte> modules = new ArrayList<>();
 
@@ -570,7 +570,8 @@ public class PHCBridgeHandler extends BaseBridgeHandler implements SerialPortEve
 
     private void sendDim(byte moduleAddress, byte channel, Command command, short dimTime) {
         byte module = (byte) (moduleAddress | 0xA0);
-        byte[] cmd = new byte[(command instanceof PercentType && !(((PercentType) command).byteValue() == 0)) ? 3 : 1];
+        byte[] cmd = new byte[(command instanceof PercentType percentCommand && percentCommand.byteValue() != 0) ? 3
+                : 1];
 
         cmd[0] = (byte) (channel << 5);
 

bundles/org.openhab.binding.phc/src/main/java/org/openhab/binding/phc/internal/handler/PHCHandler.java

@@ -157,8 +157,8 @@ public class PHCHandler extends BaseThingHandler {
             }
 
             ThingHandler handler = bridge.getHandler();
-            if (handler instanceof PHCBridgeHandler) {
-                bridgeHandler = (PHCBridgeHandler) handler;
+            if (handler instanceof PHCBridgeHandler phcBridgeHandler) {
+                bridgeHandler = phcBridgeHandler;
             } else {
                 logger.debug("No available bridge handler for {}.", bridge.getUID());