public Course clone() {

   Course c = null;

   try {

     c = (Course)super.clone();

   } catch (CloneNotSupportedException e) {} // Won't happen

   return c;

}

Course javaBeginners = new Course("Java", 100, 10);

Course clone = javaBeginners.clone();

Date d = new Date();

Date clone = (Date) d.clone();