包括在对复杂信息的实部虚部的范畴…

代码说明：

在类中包含复数实部虚部的信息，分别设计方法实现复数的加法、减法、乘法，在main中调用方法输出运算结果。-Included in the category of the imaginary part of the real part of complex information, design method, respectively, the plural of the adder, subtraction, multiplication, call the main method of computing the results of the output.