Messy way to use a streamreader

Exceptionhandling/Program.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.IO;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
@@ -10,19 +11,12 @@ namespace Exceptionhandling
     {
         static void Main(string[] args)
         {
+
+            StreamReader streamreader = null;
             try
             {
-                var calculator = new Calculator();
-                var result = calculator.Divide(5, 0);
-
-            }
-            catch (DivideByZeroException dx)
-            {
-                Console.WriteLine("You cannot divide by 0.");
-            }   
-            catch (ArithmeticException ax)
-            {
-                Console.WriteLine("");
+                streamreader = new StreamReader(@"c:\file.zip");
+                var content = streamreader.ReadToEnd();
             }
             catch (Exception ex)
             {
@@ -30,6 +24,8 @@ namespace Exceptionhandling
             }
             finally
             {
+                if (streamreader != null)
+                    streamreader.Dispose();
             }
         }
     }