HDFS-11614. Ozone: Cleanup javadoc issues. Contributed by Mukul Kumar Singh.

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/web/utils/JsonUtils.java

@@ -59,7 +59,7 @@ public final class JsonUtils {
    *
    * @param str json string.
    * @param elementType element type.
-   * @return
+   * @return List of elements of type elementType
    * @throws IOException
    */
   public static List<?> toJsonList(String str, Class<?> elementType)

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/utils/MetadataStore.java

@@ -99,14 +99,12 @@ public interface MetadataStore extends Closeable{
       throws IOException, IllegalArgumentException;
 
   /**
-   * This method is very similar with
-   * {@link #getRangeKVs(byte[], int, MetadataKeyFilter...)}, the only
+   * This method is very similar to {@link #getRangeKVs}, the only
    * different is this method is supposed to return a sequential range
    * of elements based on the filters. While iterating the elements,
    * if it met any entry that cannot pass the filter, the iterator will stop
    * from this point without looking for next match. If no filter is given,
-   * this method behaves just like
-   * {@link #getRangeKVs(byte[], int, MetadataKeyFilter...)}.
+   * this method behaves just like {@link #getRangeKVs}.
    *
    * @param startKey a start key.
    * @param count max number of entries to return.