lab 2 z1 sharp

using System;
using System.Collections.Generic;
using System.Text;
class Exam {
    private string name;
    private string date;
    private int mark;
    private string text="";

    public Exam() {
        text="Construct without params for "+this.ToString();
        Console.WriteLine(text);
    }

    public Exam(string name, string date, int mark) {
        this.name=name;
        this.date=date;
        this.mark=mark;
        text="Construct with params for "+this.ToString();
        Console.WriteLine(text);
    }

    public Exam(Exam ex){
        this.name=ex.name;
        this.date=ex.date;
        this.mark=ex.mark;
        text="Copy construct for "+this.ToString();
        Console.WriteLine(text);
    }

    public string GetName(){
        return this.name;
    }

    public int GetMark(){
        return this.mark;
    }

    public string GetDate(){
        return this.date;
    }

    ~Exam() {
        text="Destruct for "+this.ToString();
        Console.WriteLine(text);
    }

}
class HelloWorld {
  static void Main() {
    //Console.WriteLine("Hello World");
    Exam[] mas=new Exam[4];
    for (int i=0; i<4; i++){
        mas[i]=new Exam("student"+i.ToString(), (i+1).ToString()+".09.2021", 4);
    }
    Console.WriteLine(mas[2].GetName()+" "+mas[2].GetDate()+" "+(mas[2].GetMark()).ToString());

  }
}