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.evcc/src/main/java/org/openhab/binding/evcc/internal/EvccHandler.java

@@ -475,7 +475,7 @@ public class EvccHandler extends BaseThingHandler {
         updateState(channel, new QuantityType<>(targetSoC, Units.PERCENT));
 
         String targetTime = loadpoint.getTargetTime();
-        if (targetTime == null || targetTime.equals("0001-01-01T00:00:00Z")) {
+        if (targetTime == null || "0001-01-01T00:00:00Z".equals(targetTime)) {
             channel = new ChannelUID(uid, loadpointName, CHANNEL_LOADPOINT_TARGET_TIME_ENABLED);
             updateState(channel, OnOffType.OFF);
             targetTimeEnabled = false;