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/JavaFileGenerator.java b/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/utils/JavaFileGenerator.java
index efcf053..7a30be8 100644
--- a/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/utils/JavaFileGenerator.java
+++ b/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/utils/JavaFileGenerator.java
@@ -62,12 +62,12 @@
 import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.partString;
 
 /**
- * Generates java file.
+ * Representation of java file generator.
  */
 public final class JavaFileGenerator {
 
     /**
-     * Default constructor.
+     * Creates an instance of java file generator.
      */
     private JavaFileGenerator() {
     }