import java.util.Scanner;

public class OprWithComplexNumbers {

    private static ComplexNumber resSum;
    private static ComplexNumber resDifference;
    private static ComplexNumber resProduct;

    public static void main(String[] args) {

        Scanner input = new Scanner(System.in);
        System.out.println("--- Basic arithmetic operations with complex numbers ---");

        //First Input
        System.out.print("Enter the first complex number in the format r i: ");
        //Input Scanner
        double real1 = input.nextDouble();
        double imaginary1 = input.nextDouble();
	ComplexNumber compNum1 = new ComplexNumber(real1,imaginary1);


        //Second Inout
        System.out.print("Enter the second complex number in the format r i: ");
        //Input Scanner
        double real2 = input.nextDouble();
        double imaginary2 = input.nextDouble();
        ComplexNumber compNum2 = new ComplexNumber(real2,imaginary2);

    }

    public static void calculateResults(){
        Calculator resSum = new Calculator();
        resSum.addTwoNumbers(compNum1, compNum2);

        //call the subtraction for resDifference

        //call the multiplication for resProduct
    }

    public static void displayResults(){

        //Addition
        System.out.println();
        //Subtraction
        System.out.println();
            //Multiplication
        System.out.println();
            //termination
        System.out.println("--- The program has terminated ---");
        }

public class ComplexNumber {
    public double real; //real part of the complex number
    public double imaginary; //imaginary part of the complex number

    public ComplexNumber(double real, double imaginary){
        this.real=real;
        this.imaginary= imaginary;
    }
}

public class Calculator{

    private ComplexNumber compNum1;
    private ComplexNumber compNum2;

    public Calculator(ComplexNumber compNum1,ComplexNumber compNum2){
        this.compNum1 = compNum1;
        this.compNum2 = compNum2;
    }

    public ComplexNumber addTwoNumbers(ComplexNumber compNum1, ComplexNumber compNum2) { //Adds two complex numbers
        ComplexNumber result = new ComplexNumber(compNum1.real + compNum2.real, compNum1.imaginary + compNum2.imaginary);
        return result;
    }
    //SUBTRACTION
    public ComplexNumber subTwoNumbers(ComplexNumber compNum1, ComplexNumber compNum2) { //Subtracts two complex numbers
        ComplexNumber result = new ComplexNumber(compNum1.real - compNum2.real, compNum1.imaginary - compNum2.imaginary);
        return result;
    }
    //MULTIPLICATION
    public ComplexNumber mulTwoNumbers(ComplexNumber compNum1, ComplexNumber compNum2){ //Multiplies two complex numbers
        ComplexNumber result = new ComplexNumber((compNum1.real * compNum2.real) - (compNum1.imaginary * compNum2.imaginary), (compNum1.imaginary * compNum2.real) + (compNum1.real * compNum2.imaginary));
        return result;
    }
}
}