Java编写一个复数类Complex,具有实部、虚部成员变量,可以完成加、减、乘、除和获得实部和虚部的方法

import javax.swing.JOptionPane;public class Complex private double real; private double image; public Complex() this.real = 0.0; this.image = 0.0; public Complex(double real, double image) this.real = real; this.image = image; public void show1()System.out.print(实部+this.real+ );System.out.println(虚部+this.image); public void show() if (this.real = 0.0) & (this.image = 0.0) System.out.println(0); else if (this.real = 0.0) System.out.println(this.image + i); else if (this.image = 0.0) System.out.println(this.real); else System.out.println(this.real + + + this.image + i); public void add(Complex x, Complex y) this.real = x.real + y.real; this.image= x.image+ y.image; public void sub(Complex x, Complex y) this.real = x.real- y.real; this.image= x.image - y.image; public void cf(Complex x, Complex y) this.real = x.real * y.real-x.image* y.image; this.image = x.image * y.real+x.real*y.image; public void ff(Complex x, Complex y) this.real = (x.real * y.real+x.image * y.image)/(y.real*y.real+y.image*y.image); this.image= (x.image* y.real-x.real * y.real)/( y.real* y.real+y.image*y.image); public static void main(String arg) String str; str=JOptionPane.showInputDialog(请输入第一个复数的实部：); double x1=Double.parseDouble( str); str=JOptionPane.showInputDialog(请输入第一个复数的虚部：); double y1=Double.parseDouble( str); str=JOptionPane.showInputDialog(请输入第二个复数的实部：); double x2=Double.parseDouble( str); str=JOptionPane.showInputDialog(请输入第二个复数的虚部：); double y2=Double.parseDouble( str); Complex c1 = new Complex(x1, y1); Complex c2 = new Complex(x2, y2); Complex c3 = new Complex(); c1.show(); c1.show1(); c2.show(); c2.show1(); c3.add(c1, c2); System.out.print(相加 : ); c3.show(); c3.sub(c1, c2); System.out.print(相减 : ); c3.show(); c3.cf(c1, c