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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3D point - Practice Exercises C# Sharp


Lesson 7:

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Exercise 7.12:

3D point


Objetive:

Create a class "Point3D", to represent a point in 3-D space, with coordinates X, Y and Z. It must contain the following methods:

MoveTo, which will change the coordinates in which the point is.
DistanceTo(Point3D p2), to calculate the distance to another point.
ToString, which will return a string similar to "(2,-7,0)"
And, of course, getters and setters.

The test program must create an array of 5 points, get data for them, and calculate (and display) the distance from the first point to the remaining four ones.



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Source Code:


using System;
class Point3D
{
    protected double x, y, z;


    public Point3D()
    {
    }

    public Point3D(double nx, double ny, double nz)
    {
        MoveTo(nx, ny, nz);
    }

    public double GetX()
    {
        return x;
    }

    public void SetX(double value)
    {
        x = value;
    }

    public double GetY()
    {
        return y;
    }

    public void SetY(double value)
    {
        y = value;
    }

    public double GetZ()
    {
        return z;
    }

    public void SetZ(double value)
    {
        z = value;
    }

    public void MoveTo(double nx, double ny, double nz)
    {
        x = nx;
        y = ny;
        z = nz;
    }

    public double DistanceTo(Point3D p2)
    {
        return Math.Sqrt((x - p2.GetX()) * (x - p2.GetX()) +
          (y - p2.GetY()) * (y - p2.GetY()) +
          (z - p2.GetZ()) * (z - p2.GetZ()));
    }
}

                
Exercisey 7.12

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