一个数学问题： 输入8个数，作为立方体顶点，判断能否构成满足要求的立方体 涉及输入输出异常等方法，适合JAVA初学者打基本功-a mathematical problem : Admission Number 8, as cube vertex, a judge can meet the requirements posed the cube involving abnormal input and output methods, for Java beginners the basic