Fixed - Style check

Signed-off-by: seakider <seakider@gmail.com>

redisson/src/main/java/org/redisson/RedissonKeys.java

@@ -50,7 +50,6 @@ import org.redisson.rx.CommandRxBatchService;
 import java.util.*;
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.CompletionException;
-import java.util.concurrent.CompletionStage;
 import java.util.concurrent.TimeUnit;
 import java.util.function.BiConsumer;
 import java.util.function.Function;

redisson/src/main/java/org/redisson/iterator/BaseAsyncIterator.java

@@ -52,7 +52,7 @@ public abstract class BaseAsyncIterator<V, E> implements AsyncIterator<V> {
                     client = v.getRedisClient();
                     nextItPos = v.getPos();
                     lastIt = v.getValues().iterator();
-                    if (nextItPos.equals("0")) {
+                    if ("0".equals(nextItPos)) {
                         nextItPos = null;
                     }
                     result.complete(lastIt.hasNext());