//Client is required to pass collection of String and name

static boolean checkName(Collection employeeNameList, String name) {

       for (Iterator i = employeeNamList.iterator(); i.hasNext(); ) {

               String s = (String) i.next();

         if(s.equals(name)){

                   return true;

                         //print employee name here ......

         }

       }

       return false;

}