Fix Javadoc warnings

Change-Id: I366f2b9f3c11645a3392e0689619bfbad7a9eedd
diff --git a/apps/calendar/src/main/java/org/onosproject/calendar/BandwidthCalendarResource.java b/apps/calendar/src/main/java/org/onosproject/calendar/BandwidthCalendarResource.java
index 2143e89..ac02290 100644
--- a/apps/calendar/src/main/java/org/onosproject/calendar/BandwidthCalendarResource.java
+++ b/apps/calendar/src/main/java/org/onosproject/calendar/BandwidthCalendarResource.java
@@ -135,7 +135,7 @@
      * @param srcPort the source port (-1 if src/dest is a host)
      * @param dstPort the destination port (-1 if src/dest is a host)
      * @param bandwidth the bandwidth (mbps) requirement for the path
-     * @return @return Intent state, "INSTALLED", if successful,
+     * @return Intent state, "INSTALLED", if successful,
      *         server error message or "FAILED" if failed to modify any direction intent
      */
     @javax.ws.rs.Path("/{intentKey}/{src}/{dst}/{srcPort}/{dstPort}/{bandwidth}")
diff --git a/core/api/src/main/java/org/onosproject/store/service/TransactionContext.java b/core/api/src/main/java/org/onosproject/store/service/TransactionContext.java
index 4fbeeeb..b404bae 100644
--- a/core/api/src/main/java/org/onosproject/store/service/TransactionContext.java
+++ b/core/api/src/main/java/org/onosproject/store/service/TransactionContext.java
@@ -56,9 +56,11 @@
 
     /**
      * Creates a new transactional map.
+     * @param <K> key type
+     * @param <V> value type
      * @param mapName name of the transactional map.
      * @param serializer serializer to use for encoding/decoding keys and vaulues.
      * @return new Transactional Map.
      */
     <K, V> TransactionalMap<K, V> createTransactionalMap(String mapName, Serializer serializer);
-}
\ No newline at end of file
+}
diff --git a/core/net/src/main/java/org/onosproject/net/intent/impl/IntentManager.java b/core/net/src/main/java/org/onosproject/net/intent/impl/IntentManager.java
index 8b6f583..945c6dc 100644
--- a/core/net/src/main/java/org/onosproject/net/intent/impl/IntentManager.java
+++ b/core/net/src/main/java/org/onosproject/net/intent/impl/IntentManager.java
@@ -363,6 +363,7 @@
      * Generate a {@link FlowRuleOperations} instance from the specified intent data.
      *
      * @param current intent data stored in the store
+     * @param pending intent data that is pending
      * @return flow rule operations
      */
     // TODO: make this non-public due to short term hack for ONOS-1051