fushu.zip_fushu 网_m.fushu xs. com/

public class Complex { private double real_part; private double imagin_part; public Complex() { this(0.0,0.0); //初始化 } public Complex(double a, double b) //重载 { this.real_part = a; this.imagin_part = b; } public void getReal_part(double real_part) { this.real_part = real_part; //取实部 } public void getImagin_part(double imagin_part) { this.imagin_part = imagin_part; //取虚部 } public Complex Complex_add(Complex i,Complex j)//复数加法 { /*Complex k=new Complex(); k.real_part=i.real_part+j.real_part; k.imagin_part=i.imagin_part+j.imagin_part; return k;*/ this.real_part=i.real_part+i.real_part; this.imagin_part=i.imagin_part+j.imagin_part; return this; } public Complex Complex_sub(Complex i,Complex j)//复数减法 { this.real_part=i.real_part-j.real_part; this.imagin_part=i.imagin_part-j.imagin_part; return this; } public String toString() //输出 { if(this.imagin_part >=0) return this.real_part + "+" + this.imagin_part + "*" + "i"; else return this.real_part + "-" + this.imagin_part + "*" + "i"; } } class TestComplex //定义一个测试类 { public static void main(String[] args) { Complex Text = new Complex(); Complex X=new Complex(22.5, 18.3); Complex Y=new Complex(14.6, 6.8); Text.Complex_add(X, Y); System.out.println("a="+X.toString()+"\n"+"b="+Y.toString()+"\n"+"a+b="+Text.toString()); Text.Complex_sub(X,Y); System.out.println("a-b="+Text.toString()); } }