ProgOb/LAB_6/Meble.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace LAB_6
{
  public class Mebel : IComparable<Mebel>
  {
    public int Lp { get; set; }
    public string Nazwa { get; set; }
    public double Cena { get; set; }    

    public override string ToString()
    {
      return $"Lp: {Lp,10}   Nazwa: {Nazwa,-15}   Cena: {Cena, 10:N2}";
    }

    public int CompareTo(Mebel other)
    {
      if(Lp<other.Lp) return -1 ;
      else if (Lp > other.Lp) return 1;
      else return 0 ;
    }

  }

  public class ByNazwaComp : IComparer<Mebel>
  {
    public int Compare(Mebel x, Mebel y)
    {
      return string.Compare(x.Nazwa, y.Nazwa);
    }
  }

  
}