headfirst.command.undo

Interface Command

All Known Implementing Classes:

CeilingFanHighCommand, CeilingFanLowCommand, CeilingFanMediumCommand, CeilingFanOffCommand, DimmerLightOffCommand, DimmerLightOnCommand, LightOffCommand, LightOnCommand, NoCommand

public interface Command

Method Summary

Modifier and Type	Method and Description
void	execute()
void	undo()

Method Detail

execute

void execute()

undo

void undo()