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.ahawastecollection/src/main/java/org/openhab/binding/ahawastecollection/internal/AhaCollectionScheduleImpl.java

@@ -81,7 +81,7 @@ final class AhaCollectionScheduleImpl implements AhaCollectionSchedule {
 
         final Elements table = doc.select("table");
 
-        if (table.size() == 0) {
+        if (table.isEmpty()) {
             logger.warn("No result table found.");
             return Collections.emptyMap();
         }
@@ -91,7 +91,7 @@ final class AhaCollectionScheduleImpl implements AhaCollectionSchedule {
 
         while (rowIt.hasNext()) {
             final Element currentRow = rowIt.next();
-            if (!currentRow.tagName().equals("tr")) {
+            if (!"tr".equals(currentRow.tagName())) {
                 continue;
             }
             // Skip header, empty and download button rows.