import java.io.*;
public class Main
{
public static void main(String[] args)
{
complex_number a = new complex_number(1, 1);
complex_number b = new complex_number(2, 2);
complex_number c = complex_number.add(a, b);
complex_number d = a.add(b);
System.out.println(a);
System.out.println(b);
System.out.println(c);
System.out.println(d);
// TODO: Test -, *, /
}
}
public class complex_number
{
private int _real;
private double _imag;
public complex_number(int real, double imag)
{
_real = real;
_imag = imag;
}
public complex_number add(complex_number other)
{
_real += other._real;
_imag += other._imag;
return this;
}
public static complex_number add(complex_number a, complex_number b)
{
return new complex_number(a._real + b._real, a._imag + b._imag);
return null;
}
public complex_number subtract(complex_number other)
{
_real -= other._real;
_imag -= other._imag;
return null;
}
public static complex_number subtract(complex_number a, complex_number b)
{
return new complex_number(a._real - b._real, a._imag - b._imag);
}
public complex_number multiply(complex_number other)
{
_real = (real * other._real) - (_imag * other._imag);
_imag = (imag * other._imag) + (_imag * other._imag);
return this;
}
public static complex_number multiply(complex_number a, complex_number b);
{
return new complex_number(a._real * b._real, a._imag * b._imag);
return null;
}
public complex_number divide(complex_number other)
{
_real = (this * other._real) + (_imag * other._imag);
_imag = (this * other._imag) - (_imag * other._imag);
return this;
}
public static complex_number divide(complex_number a, complex_number b);
{
return new complex_number(a.real / b._real, a_imag / b._imag);
return null;
}
public String toString()
{
return String.format("(%f, %fj)", _real, _imag);
}
}
