设计一个复数类,成员变量包括实部和虚部,成员方法包括实现复数加法、减法、比较等运算或者操作,并验证

class complex{double x,y;complex(double a,double b){x=a;y=b;}} public class shiyan42 {public static void main(String[] args){ complex num1=new complex(6,-23); complex num2=new complex(1,...