Fixes for javadoc errors

Change-Id: Idb4f08df4e2c794528b1f359f3fef6c4850eabc8
diff --git a/core/api/src/main/java/org/onosproject/store/service/AsyncAtomicCounterMap.java b/core/api/src/main/java/org/onosproject/store/service/AsyncAtomicCounterMap.java
index 3c11cf2..c2d8f0d 100644
--- a/core/api/src/main/java/org/onosproject/store/service/AsyncAtomicCounterMap.java
+++ b/core/api/src/main/java/org/onosproject/store/service/AsyncAtomicCounterMap.java
@@ -26,6 +26,7 @@
      * Increments by one the value currently associated with key, and returns the new value.
      *
      * @param key key with which the specified value is to be associated
+     * @return incremented value
      */
     CompletableFuture<Long> incrementAndGet(K key);
 
diff --git a/core/api/src/main/java/org/onosproject/store/service/AtomicCounterMap.java b/core/api/src/main/java/org/onosproject/store/service/AtomicCounterMap.java
index a21f178..d901644 100644
--- a/core/api/src/main/java/org/onosproject/store/service/AtomicCounterMap.java
+++ b/core/api/src/main/java/org/onosproject/store/service/AtomicCounterMap.java
@@ -24,6 +24,7 @@
      * Increments by one the value currently associated with key, and returns the new value.
      *
      * @param key key with which the specified value is to be associated
+     * @return incremented value
      */
     long incrementAndGet(K key);
 
diff --git a/core/api/src/main/java/org/onosproject/ui/chart/ChartModel.java b/core/api/src/main/java/org/onosproject/ui/chart/ChartModel.java
index 8101eb0..c4da125 100644
--- a/core/api/src/main/java/org/onosproject/ui/chart/ChartModel.java
+++ b/core/api/src/main/java/org/onosproject/ui/chart/ChartModel.java
@@ -42,6 +42,7 @@
     /**
      * Constructs a chart model with initialized series set.
      *
+     * @param size datapoints size
      * @param series a set of series
      */
     public ChartModel(int size, String... series) {
diff --git a/core/net/src/main/java/org/onosproject/net/newresource/impl/ResourceNetworkConfigListener.java b/core/net/src/main/java/org/onosproject/net/newresource/impl/ResourceNetworkConfigListener.java
index c7448c7..d6f9fdb 100644
--- a/core/net/src/main/java/org/onosproject/net/newresource/impl/ResourceNetworkConfigListener.java
+++ b/core/net/src/main/java/org/onosproject/net/newresource/impl/ResourceNetworkConfigListener.java
@@ -60,6 +60,7 @@
      *
      * @param adminService {@link ResourceAdminService}
      * @param cfgService {@link NetworkConfigService}
+     * @param mastershipService {@link MastershipService}
      * @param executor Executor to use.
      */
     ResourceNetworkConfigListener(ResourceAdminService adminService, NetworkConfigService cfgService,