Initial commit

vscode/Chapter02/Formatting/Program.cs

@@ -0,0 +1,35 @@
+using static System.Console;
+
+int numberOfApples = 12;
+decimal pricePerApple = 0.35M;
+
+WriteLine(
+  format: "{0} apples costs {1:C}",
+  arg0: numberOfApples,
+  arg1: pricePerApple * numberOfApples);
+
+string formatted = string.Format(
+  format: "{0} apples costs {1:C}",
+  arg0: numberOfApples,
+  arg1: pricePerApple * numberOfApples);
+
+//WriteToFile(formatted); // writes the string into a file
+
+WriteLine($"{numberOfApples} apples costs {pricePerApple * numberOfApples:C}");
+
+Write("Type your first name and press ENTER: ");
+string? firstName = ReadLine(); // nulls are expected
+
+Write("Type your age and press ENTER: ");
+string age = ReadLine()!; // null won't be returned
+
+WriteLine(
+  $"Hello {firstName}, you look good for {age}.");
+
+Write("Press any key combination: ");
+ConsoleKeyInfo key = ReadKey();
+WriteLine();
+WriteLine("Key: {0}, Char: {1}, Modifiers: {2}",
+  arg0: key.Key,
+  arg1: key.KeyChar,
+  arg2: key.Modifiers);