HW HELP! Input not being read?

[JWest46088]

The program asks for the user to enter a real number and an imaginary number followed by another set of a real number and an imaginary number. It then takes those and adds them, subtracts them, and multiplies them then displays it to the screen. However, after the user inputs the numbers, it does the operations, but it doesn't do the math right. For addition, only the second real number and second imaginary number inputted are scanned, so it adds the second real number to itself and the second imaginary number to itself instead of adding the first with the second like it's supposed to. The subtraction and multiplication operations don't scan any of the input at all though. I have one of the input used and output it produced at the very bottom commented out. If someone could tell me what I did wrong, I would greatly appreciate it, and thanks in advance!

 
import java.util.Scanner;
 
public class Complex
{
    /** declare variables */
    public static double real;
    public static double imaginary;
 
    /** default constructor */
    public Complex()
    {
        real = 0.0;
        imaginary = 0.0;
    }
 
    /** assigns r to real and i to imaginary */
    public Complex(double r, double i)
    {
        real = r;
        imaginary = i;
    }
 
    /** assigns r to real */
    public void setReal(double r)
    {
        real = r;
    }
 
    /** assigns i to imaginary */
    public void setImaginary(double i)
    {
        imaginary = i;
    }
 
    /** assigns real to r and returns it */
    public double getReal()
    {
        double r = real;
 
        return real;
    }
 
    /** assigns imaginary to i and returns it */
    public double getImaginary()
    {
        double i = imaginary;
 
        return imaginary;
    }
 
    /** declares and initializes realPart */
//    public void setRealPart(double realPart)
//    {
//        double alpha;
//        double realPart = realPart + alpha * i;
//    }
 
    /** initializes object to alpha */
//    public void setAlpha()
//    {
//        double alpha;
//        Complex = alpha + alpha * i;
//    }
 
    /** check for equality */
    public Boolean equals(Complex C)
    {
        return((real == C.real) && (imaginary == C.imaginary));
    }
 
    /** add */
    public static Complex add(Complex C)
    {
/*        Complex add;
        double r = real + C.real;
        double i = imaginary + C.imaginary;
        add = new Complex(r, i);
 
        return add; */
 
        return new Complex(real + C.real, imaginary + C.imaginary);
    }
 
    /** subtract */
    public static Complex subtract(Complex C)
    {
/*        Complex subtract;
        double r = real - C.real;
        double i = imaginary - C.imaginary;
        subtract = new Complex(r, i);
 
        return subtract; */
 
        return new Complex(real - C.real, imaginary - C.imaginary);
    }
 
    /** multiply */
    public static Complex multiply(Complex C)
    {
/*        Complex multiply;
        double r = real * C.real - imaginary * C.imaginary;
        double i = real * C.imaginary + imaginary * C.real;
        multiply = new Complex(r, i);
 
        return multiply; */
 
        return new Complex(real * C.real - imaginary * C.imaginary, real * C.imaginary + imaginary * C.real);
    }
 
    /** displays to screen */
    public String toString()
    {
        String imaginarySymbol = (imaginary < 0) ? " - " : " + ";
 
        return (real + imaginarySymbol + imaginary + "i");
    }
 
    /** driver */
    public static void main(String[] args)
    {
        Complex A = new Complex();
        Complex B = new Complex();
        Complex C = new Complex();
 
        Scanner input = new Scanner(System.in);
 
        /** input and scan first real number */
        System.out.println("Enter a double for the first real number: ");
        A.setReal(input.nextDouble());
 
        /** input and scan first imaginary number */
        System.out.println("\nEnter a double for the first imaginary number: ");
        A.setImaginary(input.nextDouble());
 
        /** input and scan second real number */
        System.out.println("\nEnter a double for the second real number: ");
        B.setReal(input.nextDouble());
 
        /** input and scan second imaginary number */
        System.out.println("\nEnter a double for the second imaginary number: ");
        B.setImaginary(input.nextDouble());
 
        /** add complex numbers and display to screen*/
        A.add(B);
        System.out.println(A.toString() + " + " + B.toString() + " = " + A.add(B));
 
        /** subtract complex numbers and display to screen*/
        A.subtract(B);
        System.out.println(A.toString() + " - " + B.toString() + " = " + A.subtract(B));
 
        /** multiply complex numbers and display to screen*/
        A.multiply(B);
        System.out.println(A.toString() + " * " + B.toString() + " = " + A.multiply(B));
    }
}
 
 
/**
Enter a double for the first real number:
1.0
 
Enter a double for the first imaginary number:
1.5
 
Enter a double for the second real number:
2.0
 
Enter a double for the second imaginary number:
2.5
4.0 + 5.0i + 4.0 + 5.0i = 8.0 + 10.0i
0.0 + 0.0i - 0.0 + 0.0i = 0.0 + 0.0i
0.0 + 0.0i * 0.0 + 0.0i = 0.0 + 0.0i
Press any key to continue . . .
*/
 
 

[r035198x]

import java.util.Scanner;
 
public class Complex {
 
    /** declare variables */
    double real;
    double imaginary;
 
    /** default constructor */
    public Complex() {
        real = 0.0;
        imaginary = 0.0;
    }
 
    /** assigns r to real and i to imaginary */
    public Complex(double r, double i) {
        real = r;
        imaginary = i;
    }
 
    /** assigns r to real */
    public void setReal(double r) {
        real = r;
    }
 
    /** assigns i to imaginary */
    public void setImaginary(double i) {
        imaginary = i;
    }
 
    /** assigns real to r and returns it */
    public double getReal() {
        return real;
    }
 
    /** assigns imaginary to i and returns it */
    public double getImaginary() {
        return imaginary;
    }
 
    /** check for equality */
    public boolean equals(Complex C) {
        return((real == C.real) && (imaginary == C.imaginary));
    }
 
    /** add */
    public Complex add(Complex C) {
        return new Complex(real + C.real, imaginary + C.imaginary);
    }
 
    /** subtract */
    public Complex subtract(Complex C) {
        return new Complex(real - C.real, imaginary - C.imaginary);
    }
 
    /** multiply */
    public Complex multiply(Complex C) {
        return new Complex(real * C.real - imaginary * C.imaginary, real * C.imaginary + imaginary * C.real);
    }
 
    /** displays to screen */
    public String toString() {
        String imaginarySymbol = (imaginary < 0) ? "+" : " + ";
 
        return (real + " " + imaginarySymbol + " " + imaginary + "i");
    }
 
    /** driver */
    public static void main(String[] args) {
        Complex A = new Complex();
        Complex B = new Complex();
        Complex C = new Complex();
 
        Scanner input = new Scanner(System.in);
 
        /** input and scan first real number */
        System.out.println("Enter a double for the first real number: ");
        A.setReal(input.nextDouble());
 
        /** input and scan first imaginary number */
        System.out.println("\nEnter a double for the first imaginary number: ");
        A.setImaginary(input.nextDouble());
 
        /** input and scan second real number */
        System.out.println("\nEnter a double for the second real number: ");
        B.setReal(input.nextDouble());
 
        /** input and scan second imaginary number */
        System.out.println("\nEnter a double for the second imaginary number: ");
        B.setImaginary(input.nextDouble());
 
        /** add complex numbers and display to screen*/
        System.out.println(A.toString() + " + " + B.toString() + " = " + A.add(B).toString());
 
        /** subtract complex numbers and display to screen*/
 
        System.out.println(A.toString() + " - " + B.toString() + " = " + A.subtract(B).toString());
 
        /** multiply complex numbers and display to screen*/
 
        System.out.println(A.toString() + " * " + B.toString() + " = " + A.multiply(B).toString());
    }
}

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