public class DvdCommandNameStarsOn extends CommandAbstract { private DvdName dvdName; public DvdCommandNameStarsOn(DvdName dvdNameIn) { this.dvdName = dvdNameIn; } public void execute() { this.dvdName.setNameStarsOn(); } }

The DvdCommand class is a command for the DvdName class.
  The DvdName class implements the DvdNameInterface class.
  The DvdCommandNameStarsOn class is a subclass of the CommandAbstract class.
  The execute method calls the setNameStarsOn method.