Java 17 features (A-G) (#15516)

- 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.ambientweather/src/main/java/org/openhab/binding/ambientweather/internal/handler/AmbientWeatherEventListener.java

@@ -263,11 +263,10 @@ public class AmbientWeatherEventListener {
     private void handleError(String event, Object... args) {
         String reason = "Unknown";
         if (args.length > 0) {
-            if (args[0] instanceof String) {
-                reason = (String) args[0];
-            } else if (args[0] instanceof Exception) {
-                reason = String.format("Exception=%s Message=%s", args[0].getClass(),
-                        ((Exception) args[0]).getMessage());
+            if (args[0] instanceof String stringArg) {
+                reason = stringArg;
+            } else if (args[0] instanceof Exception exception) {
+                reason = String.format("Exception=%s Message=%s", args[0].getClass(), exception.getMessage());
             }
         }
         logger.debug("Listener: Received socket event: {}, Reason: {}", event, reason);