light.java

java与模式 一书的源码

package com.javapatterns.facade.security;

public class Light
{
    public void turnOn()
    {
		System.out.println("Turning on the camera.");
    }

    public void turnOff()
    {
		System.out.println("Turning off the camera.");
    }

    public void changeBulb()
    {
		System.out.println("changing the light-bulb.");
    }
}