Rename AbstractClass.cs to AbstractClassExample.cs

Author: hraverkar

AbstractClassExample.cs

@@ -0,0 +1,37 @@
+using System;
+
+namespace AbstractClassExample
+{
+    public abstract class AreaClass
+    {
+        public abstract int Area();
+    }
+
+    internal class Square : AreaClass
+    {
+        private readonly int _side = 0;
+
+        public Square(int n)
+        {
+            _side = n;
+        }
+
+        public override int Area()
+        {
+            return _side * _side;
+        }
+
+    }
+    
+    
+    internal static class Program
+    {
+        public static void Main(string[] args)
+        {
+            var square = new Square(6);
+            Console.WriteLine(square.Area());
+
+        }
+
+    }
+}