Used Collections to return an empty list.

src/main/java/org/orekit/propagation/analytical/AbstractAnalyticalPropagator.java

@@ -385,7 +385,7 @@ public abstract class AbstractAnalyticalPropagator extends AbstractPropagator {
      * @since 11.1
      */
     protected List<String> getJacobiansColumnsNames() {
-        return new ArrayList<>();
+        return Collections.emptyList();
     }
 
     /** Internal PVCoordinatesProvider for attitude computation. */