Coding gudilines for class and methods javadocs fixed.

Change-Id: I0153e6391c9ec9eacaac65c3989834b6bf5c65bf
diff --git a/src/main/java/org/onosproject/yangutils/parser/impl/parserutils/ListenerCollisionDetector.java b/src/main/java/org/onosproject/yangutils/parser/impl/parserutils/ListenerCollisionDetector.java
index 1e2d225..98b3429 100644
--- a/src/main/java/org/onosproject/yangutils/parser/impl/parserutils/ListenerCollisionDetector.java
+++ b/src/main/java/org/onosproject/yangutils/parser/impl/parserutils/ListenerCollisionDetector.java
@@ -20,13 +20,14 @@
 import org.onosproject.yangutils.datamodel.exceptions.DataModelException;
 import org.onosproject.yangutils.parser.exceptions.ParserException;
 import org.onosproject.yangutils.parser.impl.TreeWalkListener;
+import org.onosproject.yangutils.utils.YangConstructType;
+
 import static org.onosproject.yangutils.parser.impl.parserutils.ListenerErrorLocation.EXIT;
 import static org.onosproject.yangutils.parser.impl.parserutils.ListenerErrorMessageConstruction.constructListenerErrorMessage;
 import static org.onosproject.yangutils.parser.impl.parserutils.ListenerErrorType.INVALID_HOLDER;
-import org.onosproject.yangutils.utils.YangConstructType;
 
 /**
- * Check the YANG construct collision in a YANG file.
+ * Represents the detector of YANG construct collision in a YANG file.
  */
 public final class ListenerCollisionDetector {
 
@@ -52,7 +53,7 @@
      */
     public static void detectCollidingChildUtil(TreeWalkListener listener, int line, int charPosition,
             String identifierName, YangConstructType constructType)
-                    throws ParserException {
+            throws ParserException {
 
         if (listener.getParsedDataStack().peek() instanceof CollisionDetector) {
             try {