100到简单加减乘除算法的程序

Posted 2020-09-04 Kimm

public class Complex {   

    double real; 


    double image;   

       

    Complex(){    

        Scanner input = new Scanner(System.in); 

        double real = input.nextDouble(); 

        double image = input.nextDouble(); 

        Complex(real,image); 

    } 

   

    private void Complex(double real, double image) {


        


        this.real = real; 

        this.image = image; 

    } 

   

    Complex(double real,double image){   

        this.real = real; 

        this.image = image; 

    } 

   

    public double getReal() { 

        return real; 

    } 

   

    public void setReal(double real) { 

        this.real = real; 

    } 

   

    public double getImage() { 

        return image; 

    } 

   

    public void setImage(double image) { 

        this.image = image; 

    } 

       

    Complex add(Complex a){


        double real2 = a.getReal(); 

        double image2 = a.getImage(); 

        double newReal = real + real2; 

        double newImage = image + image2; 

        Complex result = new Complex(newReal,newImage); 

        return result; 

    } 

       

    Complex sub(Complex a){


        double real2 = a.getReal(); 

        double image2 = a.getImage(); 

        double newReal = real - real2; 

        double newImage = image - image2; 

        Complex result = new Complex(newReal,newImage); 

        return result; 

    } 

       

    Complex mul(Complex a){   

        double real2 = a.getReal(); 

        double image2 = a.getImage(); 

        double newReal = real*real2 - image*image2; 

        double newImage = image*real2 + real*image2; 

        Complex result = new Complex(newReal,newImage); 

        return result; 

    } 

       

    Complex div(Complex a){   

        double real2 = a.getReal(); 

        double image2 = a.getImage(); 

        double newReal = (real*real2 + image*image2)/(real2*real2 + image2*image2); 

        double newImage = (image*real2 - real*image2)/(real2*real2 + image2*image2); 

        Complex result = new Complex(newReal,newImage); 

        return result; 

    } 

       

    public void print(){


        if(image > 0){ 

            System.out.println(real + " + " + image + "i"); 

        }else if(image < 0){ 

            System.out.println(real + "" + image + "i"); 

        }else{ 

            System.out.println(real); 

        } 

    } 

}