Resolve remaining issues

Author: rjeberhard

operator/src/main/java/oracle/kubernetes/operator/OperatorMain.java

@@ -276,8 +276,8 @@ void completeBegin() {
       int recheckInterval = TuningParameters.getInstance().getDomainNamespaceRecheckIntervalSeconds();
       int stuckPodInterval = TuningParameters.getInstance().getStuckPodRecheckSeconds();
       Collection<Cancellable> futures = List.of(
-            mainDelegate.scheduleWithFixedDelay(recheckDomains(), recheckInterval, recheckInterval, TimeUnit.SECONDS),
-            mainDelegate.scheduleWithFixedDelay(checkStuckPods(), stuckPodInterval, stuckPodInterval, TimeUnit.SECONDS));
+          mainDelegate.scheduleWithFixedDelay(recheckDomains(), recheckInterval, recheckInterval, TimeUnit.SECONDS),
+          mainDelegate.scheduleWithFixedDelay(checkStuckPods(), stuckPodInterval, stuckPodInterval, TimeUnit.SECONDS));
 
       markReadyAndStartLivenessThread(futures);
 

operator/src/main/java/oracle/kubernetes/operator/calls/ResponseStep.java

@@ -6,8 +6,8 @@
 import java.util.Optional;
 import java.util.Random;
 import java.util.Set;
-import java.util.function.Supplier;
 import java.util.concurrent.TimeUnit;
+import java.util.function.Supplier;
 import javax.annotation.Nonnull;
 
 import io.kubernetes.client.common.KubernetesType;

operator/src/main/java/oracle/kubernetes/operator/work/Cancellable.java

@@ -7,8 +7,14 @@
 
 public interface Cancellable {
   boolean cancel();
+
   boolean isDoneOrCancelled();
 
+  /**
+   * Create instance wrapping a ScheduledFuture.
+   * @param future Scheduled future instance
+   * @return Cancellable wrapping scheduled future
+   */
   static Cancellable createCancellable(ScheduledFuture<?> future) {
     return new Cancellable() {
       @Override