diff --git a/Day 3 Class Examples/builderexample/Program.cs b/Day 3 Class Examples/builderexample/Program.cs
new file mode 100644
index 0000000..c8775c2
--- /dev/null
+++ b/Day 3 Class Examples/builderexample/Program.cs	
@@ -0,0 +1,103 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace pizzaexample
+{
+    class Program
+    {
+        public class Pizza
+        {
+            public string dough = "";
+            public string sauce = "";
+            public string topping = "";
+        }
+        abstract class PizzaBuilder
+        {
+            protected Pizza pizza;
+
+            public Pizza GetPizza()
+            {
+                return pizza;
+            }
+
+            public void CreateNewPizzaProduct()
+            {
+                pizza = new Pizza();
+            }
+
+            public abstract void BuildDough();
+            public abstract void BuildSauce();
+            public abstract void BuildTopping();
+        }
+
+        class HawaiianPizzaBuilder : PizzaBuilder
+        {
+            public override void BuildDough()
+            {
+                pizza.dough = "cross";
+            }
+
+            public override void BuildSauce()
+            {
+                pizza.sauce = "mild";
+            }
+
+            public override void BuildTopping()
+            {
+                pizza.topping = "ham+pineapple";
+            }
+        }
+
+        class SpicyPizzaBuilder : PizzaBuilder
+        {
+            public override void BuildDough()
+            {
+                pizza.dough = "pan baked";
+            }
+
+            public override void BuildSauce()
+            {
+                pizza.sauce = "hot";
+            }
+
+            public override void BuildTopping()
+            {
+                pizza.topping = "pepperoni + salami";
+            }
+        }
+
+        class Cook
+        {
+            private PizzaBuilder _pizzaBuilder;
+
+            public void SetPizzaBuilder(PizzaBuilder pb)
+            {
+                _pizzaBuilder = pb;
+            }
+
+            public Pizza GetPizza()
+            {
+                return _pizzaBuilder.GetPizza();
+            }
+
+            public void ConstructPizza()
+            {
+                _pizzaBuilder.CreateNewPizzaProduct();
+                _pizzaBuilder.BuildDough();
+                _pizzaBuilder.BuildSauce();
+                _pizzaBuilder.BuildTopping();
+            }
+        }
+
+        static void Main(string[] args)
+        {
+            PizzaBuilder hawaiianpizzabuilder = new HawaiianPizzaBuilder();
+            Cook cook = new Cook();
+            cook.SetPizzaBuilder(hawaiianpizzabuilder);
+            cook.ConstructPizza();
+            Pizza hawaiian = cook.GetPizza();
+        }
+    }
+}