1-) C# - Kapsülleme

form1.cs

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

using System.Windows.Forms;

namespace SınıfOlusturmaVeNesneKavrami

{

    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

        }

        private void Form1_Load(object sender, EventArgs e)

        {

            araba rb = new araba();

            rb.renk = "mavi";

            rb.hizi = 160;

            rb.motor = 1245.56;

            rb.fiyat = 50000;

            rb.durum = 's';

            rb.YIL = -2016;

            rb.MARKASI = "Golf";

            label1.Text = rb.renk;

            label2.Text = rb.hizi.ToString();   

            label3.Text = rb.motor.ToString();   

            label4.Text = rb.fiyat.ToString();

            label5.Text = rb.durum.ToString();

            label6.Text = rb.YIL.ToString();

            label7.Text = rb.MARKASI;

            pictureBox1.BackColor = Color.CadetBlue;

        }

    }

}

araba.cs

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

namespace SınıfOlusturmaVeNesneKavrami

{

    class araba

    {

        public string renk;

        public int hizi;

        public double motor;

        public char durum;

        public int fiyat;

        private int yil;

        private string marka;

        public int YIL

        {

            get { return yil; }

            set { yil = Math.Abs(value); }// eksi değer girse bile + ya çevirir.

        }

        public string MARKASI

        {

            get { return marka; }

            set { marka = value.ToUpper(); }// hepsini büyük harfe çevirir.

        }

    }

}

form1.cs[design]