交通灯路口的一个小程序,控制四个灯,其中南灯有一个外加左转灯-traffic lights at the junction of a small procedures, controls four lights, which Southern Electric plus a left turn lights

java编写的交通灯程序，有多个交通灯可以变换，可以-java program written in traffic lights, there are many traffic lights can transform, you can try