Java 实现的闹钟程序，虽然难度不是很大，但对学习Java还是很有用处的。-Java program to achieve the alarm clock, although the degree of difficulty is not great, but very useful to learn Java or the.

用java编写的一款计算器，跟电脑附件一样！和用applet，进程编写的一款挂钟！带有声音的那种！-To use a calculator written in java, with the same computer accessories! And the use of applet, the process of the preparation of a wall clock! With the kind of sound!

java时钟，有监听事件，时间计数器，每一秒触发一次，绘制图形-java clock, there are monitor events, time counter, every second the trigger once, drawing graphics