Practice Exercises C# Sharp

Practice Exercises C# Sharp

Learn to program performing exercises with C# Sharp

12 Lessons C# Sharp with the Solutions - 228 Exercises C# Sharp with the solutions
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Complex, improved - Practice Exercises C# Sharp


Lesson 7:

More on classes


Exercise 7.11:

Complex, improved


Objetive:

Improve the "ComplexNumber" class, so that it overloads the operators + and - to add and subtract numbers.



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Source Code:


using System;
class ComplexNumber
{
    protected double a, b;

    public ComplexNumber(double realPart, double imaginaryPart)
    {
        a = realPart;
        b = imaginaryPart;
    }


    public double GetReal()
    {
        return a;
    }


    public void SetReal(double a)
    {
        this.a = a;
    }


    public double GetImaginary()
    {
        return b;
    }


    public void SetImaginary(double b)
    {
        this.b = b;
    }


    public new string ToString()
    {
        return "(" + a + "," + b + ")";
    }


    public double GetMagnitude()
    {
        return Math.Sqrt((a * a) + (b * b));
    }


    public void Add(ComplexNumber c2)
    {
        a += c2.GetReal();
        b += c2.GetImaginary();
    }

}

class ComplexTest
{
    static void Main()
    {
        ComplexNumber number = new ComplexNumber(5, 2);
        Console.WriteLine("Number is: " + number.ToString());

        number.SetImaginary(-3);
        Console.WriteLine("Number is: " + number.ToString());

        Console.Write("Magnitude is: ");
        Console.WriteLine(number.GetMagnitude());

        ComplexNumber number2 = new ComplexNumber(-1, 1);
        number.Add(number2);
        Console.Write("After adding: ");
        Console.WriteLine(number.ToString());
    }
}

                
Exercisey 7.11

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