public YuksekLisans(string fullname, double tc, int age, Sube sube) : base(fullname, tc, age, sube)
{
this.fullname = tc + "-" + fullname;
this.tc = tc;
this.age = age;
this.sube = sube;
}
public Ogrenci(string fullname, double tc, int age, Sube sube) //nesne yaratılırken istenir.
{
this.fullname = tc + "-" + fullname;
this.tc = tc;
this.age = age;
this.sube = sube;
}