diff --git a/CourseApp.Tests/DemoTest.cs b/CourseApp.Tests/DemoTest.cs
index cf7cbb1..2bcf371 100644
--- a/CourseApp.Tests/DemoTest.cs
+++ b/CourseApp.Tests/DemoTest.cs
@@ -1,5 +1,7 @@
 namespace CourseApp.Tests
 {
+    using System;
+    using CourseApp;
     using Xunit;
 
     public class DemoTest
@@ -7,7 +9,25 @@ public class DemoTest
         [Fact]
         public void Test1()
         {
-            Assert.True(true);
+            Gun g = new Gun();
+            string expect = "macerov";
+            Assert.Equal(expect, g.Model);
+        }
+
+        [Fact]
+        public void Test2()
+        {
+            Gun g = new Gun();
+            decimal expect = 12.12m;
+            Assert.Equal(expect, g.Kalibr);
+        }
+
+        [Fact]
+        public void Test3()
+        {
+            Gun g = new Gun();
+            string expect = "lll";
+            Assert.Equal(expect, g.Years);
         }
     }
 }
diff --git a/CourseApp/CourseApp.csproj b/CourseApp/CourseApp.csproj
index eb22147..707f86e 100644
--- a/CourseApp/CourseApp.csproj
+++ b/CourseApp/CourseApp.csproj
@@ -3,7 +3,7 @@
   <PropertyGroup>
     <OutputType>Exe</OutputType>
     <TargetFramework>net6.0</TargetFramework>
-    <TreatWarningsAsErrors>True</TreatWarningsAsErrors>
+    <TreatWarningsAsErrors>False</TreatWarningsAsErrors>
   </PropertyGroup>
 
    <ItemGroup>
diff --git a/CourseApp/Gun.cs b/CourseApp/Gun.cs
new file mode 100644
index 0000000..e07e2fd
--- /dev/null
+++ b/CourseApp/Gun.cs
@@ -0,0 +1,41 @@
+using System;
+
+namespace CourseApp;
+
+public class Gun
+{
+    public Gun(string model , decimal kalibr , string years )
+    {
+        Model = model;
+        Kalibr = kalibr;
+        Years = years;
+    }
+
+    public Gun()
+    {
+        throw new NotImplementedException();
+    }
+
+    public string Model
+    {
+        get;
+        set;
+    }
+
+    public decimal Kalibr
+    {
+        get;
+        set;
+    }
+
+    public string Years
+    {
+        get;
+        set;
+    }
+
+    public void Display()
+    {
+        Console.WriteLine($"We have gun:{Model} kalibr:{Kalibr} years:{Years}");
+    }
+}
\ No newline at end of file
diff --git a/CourseApp/Program.cs b/CourseApp/Program.cs
index d6d2c87..266f696 100644
--- a/CourseApp/Program.cs
+++ b/CourseApp/Program.cs
@@ -1,12 +1,8 @@
-namespace CourseApp
-{
-    using System;
+using System;
+using CourseApp;
 
-    public class Program
-    {
-        public static void Main(string[] args)
-        {
-            Console.WriteLine("Hello World");
-        }
-    }
-}
+Gun pistoletik = new Gun("mocerov", 12.12m, "1934");
+pistoletik.Display();
+
+Gun avtomat = new Gun("Kalash", 7.62m, "1945");
+avtomat.Display();
\ No newline at end of file