View difference between Paste ID: gzdhLcxw and 5PR5MPcy

 using System;
 
 namespace Kalucki4_5
 {
     class Program
     {
         static void Main(string[] args)
         {
 			Kwadrat kw = new Kwadrat(5);
             Console.WriteLine(kw.ToString());
         }
     }
 
     public interface IFigura
     {
         int Obwod { get; }
         int Pole { get; }
     }
 
     public class Kwadrat : IFigura
     {
         private int dlBoku;
 
-		public Kwadrat(int bokKwadratu)
+		public Kwadrat(int dlBoku)
 	    {
-        	dlBoku = bokKwadratu;
+        	this.dlBoku = dlBoku;
     	}
 
         public int Obwod
 		{
-            get
+            get => 4 * dlBoku;
-			{
+
-                return 4 * dl_boku_kwadrat;
+
-            }
+
 		{
             get => dlBoku * dlBoku;
 		}
 
-            get
+
-			{
+
-                return dl_boku_kwadrat * dl_boku_kwadrat;
+
-            }
+
     }
 }