a Java clock procedures, showing a graphical clock and a digital clock. The use...

代码说明：

一个Java时钟程序，显示一个图形化时钟和一个数字化时钟。利用线程绘制动态图形，每隔一秒，重新画一遍时针。-a Java clock procedures, showing a graphical clock and a digital clock. The use of dynamic graphics rendering thread, every second, re-painting again hand of a clock.