Coding gudilines for class and methods javadocs fixed.

Change-Id: I0153e6391c9ec9eacaac65c3989834b6bf5c65bf
diff --git a/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/utils/ClassDefinitionGenerator.java b/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/utils/ClassDefinitionGenerator.java
index ae0c8c4..e1ea084 100644
--- a/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/utils/ClassDefinitionGenerator.java
+++ b/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/utils/ClassDefinitionGenerator.java
@@ -34,12 +34,12 @@
 import static org.onosproject.yangutils.utils.UtilConstants.SPACE;
 
 /**
- * Generates class definition for generated files.
+ * Represents generator for class definition of generated files.
  */
 public final class ClassDefinitionGenerator {
 
     /**
-     * Default constructor.
+     * Creates an instance of class definition generator.
      */
     private ClassDefinitionGenerator() {
     }