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/JavaFileGeneratorUtils.java b/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/utils/JavaFileGeneratorUtils.java
index 589b4e0..4228a2e 100644
--- a/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/utils/JavaFileGeneratorUtils.java
+++ b/utils/yangutils/src/main/java/org/onosproject/yangutils/translator/tojava/utils/JavaFileGeneratorUtils.java
@@ -57,12 +57,12 @@
 import static org.onosproject.yangutils.utils.io.impl.YangIoUtils.insertDataIntoJavaFile;
 
 /**
- * Provides utilities for java file generator.
+ * Represents utilities for java file generator.
  */
 public final class JavaFileGeneratorUtils {
 
     /**
-     * Default constructor.
+     * Creates an instance of java file generator util.
      */
     private JavaFileGeneratorUtils() {
     }
@@ -82,7 +82,7 @@
     }
 
     /**
-     * Return data stored in temporary files.
+     * Returns data stored in temporary files.
      *
      * @param generatedTempFiles temporary file types
      * @param curNode current YANG node
@@ -126,7 +126,7 @@
     }
 
     /**
-     * Initiate generation of file based on generated file type.
+     * Initiates generation of file based on generated file type.
      *
      * @param file generated file
      * @param className generated file class name
@@ -232,7 +232,7 @@
     }
 
     /**
-     * Write data to the specific generated file.
+     * Writes data to the specific generated file.
      *
      * @param file generated file
      * @param fileName file name