public void copy(Priority priority)

   {

      if (priority == null)

         throw new IllegalArgumentException("priority required in Priority");

      

      this.primaryKey = priority.primaryKey;

      this.name = priority.name;

      

   }
public void copy ( Priority priority ) { if ( priority == null ) throw new IllegalArgumentException ( "priority required in Priority" ) ; this . primaryKey = priority . primaryKey ; this . name = priority . name ; }
--------------------------------------------