用乘同余法 ，产生(-1，1)均匀分布的随机序列，给出数据并画图

过JAVA编程产生一系列伪随机数，掌握平方取中法、乘同余法、混合同余法产生均匀随机数的方法。-off Java programming produce a series of pseudo-random numbers, master Mid-square method, I took with the law, mixed with the law I have Random Number method.