Merge pull request #325 from DevFactory/utility-classes-should-not-have-public-constructors-fix-3

Utility classes should not have public constructors

service-layer/src/main/java/com/iluwatar/servicelayer/hibernate/HibernateUtil.java

@@ -32,6 +32,9 @@ public class HibernateUtil {
     }
   }
 
+  private HibernateUtil() {
+  }
+
   public static SessionFactory getSessionFactory() {
     return SESSION_FACTORY;
   }