虚拟机器人平台上运行Java程序，控制在2D领域的虚拟机器人的运动。实践你的编程技巧，收集有关领域的每一个晶体。尝试使用最小的时间和精力。-Virtual Robot platform that run your Java program to control movement of virtual robot in 2D field. Practice you programming skill to collect every crystals in the fields. Try to u