https://blog.youkuaiyun.com/AccpStudent1zh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/AccpStudent1/article/details/6106108https://blog.youkuaiyun.com/AccpStudent1/article/details/6106108AccpStudent1Wed, 29 Dec 2010 23:24:00 +08001.开门（开门5秒后自动关闭）
使用线程，使系统停止运行**时间
java.lang.Thread.sleep(time);  time 是以ms 为单位
注：该方法会抛出Interruption异常，使用try /catch处理这个异常
2.关于ArrayList
java.util.ArrayList arr =d.getWorkerarr();
arr.get(i); 通过arr.get()来定位数组
3]]>https://blog.youkuaiyun.com/AccpStudent1/article/details/6494014https://blog.youkuaiyun.com/AccpStudent1/article/details/6494014AccpStudent1Fri, 23 Apr 2010 00:04:00 +0800https://blog.youkuaiyun.com/AccpStudent1/article/details/6494013https://blog.youkuaiyun.com/AccpStudent1/article/details/6494013AccpStudent1Fri, 23 Apr 2010 00:03:00 +0800https://blog.youkuaiyun.com/AccpStudent1/article/details/6494012https://blog.youkuaiyun.com/AccpStudent1/article/details/6494012AccpStudent1Fri, 23 Apr 2010 00:02:00 +0800https://blog.youkuaiyun.com/AccpStudent1/article/details/6492619https://blog.youkuaiyun.com/AccpStudent1/article/details/6492619AccpStudent1Mon, 12 Apr 2010 20:46:00 +0800