Something

using System;
using System.Collections.Generic;
using System.Text;

public class Onur
{
  public String ad;

  public Onur (string ad)
  {
    this.ad = ad;
  }

  public void AdDegis (string ad)
  {
    this.ad = ad;
  }
 
  public void AdYaz ()
  {
    System.Console.WriteLine (ad);
  }
}