string encoding

DevTips/DevTips/Program.cs

@@ -23,6 +23,9 @@ class Program
         // PreicateClient.Client();
 
         // Delegate
-        DelegateClient.Client();
+        // DelegateClient.Client();
+
+        // Encoding
+        stringEncodingClient.Client();
     }
 }

DevTips/DevTips/Tips/stringEncodingClient.cs

@@ -0,0 +1,53 @@
+using System;
+using System.Text;
+
+namespace DevTips.Tips;
+
+class stringEncodingClient
+{
+    public static void Client()
+    {
+        System.Console.WriteLine("string to char[]");
+        string str = "Hello 한국 People";
+        char[] uchars = str.ToCharArray();
+        PrintCharArr(uchars);
+
+        System.Console.WriteLine("uicode");
+        byte[] ubytes = Encoding.Unicode.GetBytes(str);
+        PrintByteArr(ubytes);
+        System.Console.WriteLine(Encoding.Unicode.GetString(ubytes));
+
+        System.Console.WriteLine("UTF8");
+        byte[] utf8bytes = Encoding.UTF8.GetBytes(str);
+        PrintByteArr(utf8bytes);
+        System.Console.WriteLine(Encoding.UTF8.GetString(utf8bytes));
+
+        byte[] asciiBytes = Encoding.ASCII.GetBytes(":25DPS??12\r\n");
+        PrintByteArr(asciiBytes);
+        System.Console.WriteLine(Encoding.ASCII.GetString(asciiBytes));
+
+        byte lrc = 0x12;
+        string strLrc = lrc.ToString("X2");
+        System.Console.WriteLine(strLrc.Length);
+        System.Console.WriteLine(strLrc[0]);
+        System.Console.WriteLine(strLrc[1]);
+    }
+
+    private static void PrintCharArr(char[] chars)
+    {
+        foreach (var elem in chars)
+        {
+            System.Console.Write(elem + " ");
+        }
+        System.Console.WriteLine();
+    }
+
+    private static void PrintByteArr(byte[] bytes)
+    {
+        foreach (var elem in bytes)
+        {
+            System.Console.Write(elem.ToString("X2") + " ");
+        }
+        System.Console.WriteLine();
+    }
+}