diff --git a/components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/impl/CommentsManagerImpl.java b/components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/impl/CommentsManagerImpl.java
index 68f519de7e..6f8b6a1fa6 100644
--- a/components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/impl/CommentsManagerImpl.java
+++ b/components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/impl/CommentsManagerImpl.java
@@ -141,7 +141,7 @@ public class CommentsManagerImpl implements CommentsManager {
     public Comment getComment(int commentId) throws CommentManagementException {
 
         PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantId(true);
-        Comment comment = null;
+        Comment comment;
         if (log.isDebugEnabled()) {
             log.debug("Comment retrieval request is received for the comment id " + commentId);
         }
@@ -215,7 +215,7 @@ public class CommentsManagerImpl implements CommentsManager {
     @Override
     public int getRatedUser(String uuid) throws ApplicationManagementException {
 
-        int ratedUsers = 0;
+        int ratedUsers;
         if (log.isDebugEnabled()) {
             log.debug("Get the rated users for the application release number" + uuid);
         }
@@ -234,7 +234,7 @@ public class CommentsManagerImpl implements CommentsManager {
     @Override
     public int getStars(String uuid) throws ApplicationManagementException {
 
-        int stars = 0;
+        int stars;
         if (log.isDebugEnabled()) {
             log.debug("Get the average of rated stars for the application " + uuid);
         }
@@ -256,7 +256,7 @@ public class CommentsManagerImpl implements CommentsManager {
         if (log.isDebugEnabled()) {
             log.debug("Stars are received for the application " + uuid);
         }
-        int newStars = 0;
+        int newStars;
         try {
             ConnectionManagerUtil.beginDBTransaction();
             int ratedUsers = commentDAO.getRatedUser(uuid);