JAVA

java complex numbers

Complex numbers are those that have an imaginary part and a real part associated 
with it. They can be added and subtracted like regular numbers. The real parts 
and imaginary parts are respectively added or subtracted or even multiplied and divided.


public class Demo{
   double my_real;
   double my_imag;
   public Demo(double my_real, double my_imag){
      this.my_real = my_real;
      this.my_imag = my_imag;
   }
   public static void main(String[] args){
      Demo n1 = new Demo(76.8, 24.0),
      n2 = new Demo(65.9, 11.23),
      temp;
      temp = add(n1, n2);
      System.out.printf("The sum of two complex numbers is %.1f + %.1fi", temp.my_real,
      temp.my_imag);
   }
   public static Demo add(Demo n1, Demo n2){
      Demo temp = new Demo(0.0, 0.0);
      temp.my_real = n1.my_real + n2.my_real;
      temp.my_imag = n1.my_imag + n2.my_imag;
      return(temp);
   }
}

complex numbers in java

class ComplexNumber {
 
    int real, image;
 
 
    public ComplexNumber(int r, int i)
    {
        this.real = r;
        this.image = i;
    }
 
  
    public void showC()
    {
        System.out.print(this.real + " +i" + this.image);
    }
 
    
    public static ComplexNumber add(ComplexNumber n1,
                                    ComplexNumber n2)
    {
 
        
        ComplexNumber res = new ComplexNumber(0, 0);
 
     
        res.real = n1.real + n2.real;
 
       
        res.image = n1.image + n2.image;
 
     
        return res;
    }