一个大学本科java课程的大作业。要求利用GUI以及APPLET分别完成一个任务:随机产生三角形，正方形和长方形若干个。计算统计每种图形出现的个数-A university undergraduate course java big operation. Require the use of GUI, as well as, respectively, to complete a task APPLET: randomly generated triangle, square and recta