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.exec/src/main/java/org/openhab/binding/exec/internal/ExecHandlerFactory.java

@@ -14,7 +14,6 @@ package org.openhab.binding.exec.internal;
 
 import static org.openhab.binding.exec.internal.ExecBindingConstants.THING_COMMAND;
 
-import java.util.Collections;
 import java.util.Set;
 
 import org.eclipse.jdt.annotation.NonNullByDefault;
@@ -40,7 +39,7 @@ import org.slf4j.LoggerFactory;
 @NonNullByDefault
 @Component(service = ThingHandlerFactory.class, configurationPid = "binding.exec")
 public class ExecHandlerFactory extends BaseThingHandlerFactory {
-    private static final Set<ThingTypeUID> SUPPORTED_THING_TYPES_UIDS = Collections.singleton(THING_COMMAND);
+    private static final Set<ThingTypeUID> SUPPORTED_THING_TYPES_UIDS = Set.of(THING_COMMAND);
     private final Logger logger = LoggerFactory.getLogger(ExecHandlerFactory.class);
     private final ExecWhitelistWatchService execWhitelistWatchService;