添加Lesson16

C#进阶/ConsoleApp1/ConsoleApp1.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

C#进阶/ConsoleApp1/Program.cs

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+namespace ConsoleApp1
+{
+    class shopItem
+    {
+        public int price;
+
+        public shopItem(int price)
+        {
+            this.price = price;
+        }
+
+    }
+    class Program
+    {
+        static void Main(string[] args)
+        {
+            List<shopItem> shopItems = new List<shopItem>();//创建一个List来存放商店物品
+            shopItems.Add(new shopItem(3));//往List中添加每个物品的价格
+            shopItems.Add(new shopItem(1));
+            shopItems.Add(new shopItem(2));
+
+            shopItems.Sort((a, b) => { return a.price > b.price ? 1 : -1; });//使用Sort方法对List进行排序，按照价格从低到高排序
+        }
+    }
+}