Initial commit

vscode/Chapter08/WorkingWithText/Program.cs

@@ -0,0 +1,45 @@
+string city = "London";
+WriteLine($"{city} is {city.Length} characters long.");
+
+WriteLine($"First char is {city[0]} and third is {city[2]}.");
+
+string cities = "Paris,Tehran,Chennai,Sydney,New York,Medellín";
+
+string[] citiesArray = cities.Split(',');
+
+WriteLine($"There are {citiesArray.Length} items in the array.");
+
+foreach (string item in citiesArray)
+{
+  WriteLine(item);
+}
+
+string fullName = "Alan Jones";
+
+int indexOfTheSpace = fullName.IndexOf(' ');
+
+string firstName = fullName.Substring(
+  startIndex: 0, length: indexOfTheSpace);
+
+string lastName = fullName.Substring(
+  startIndex: indexOfTheSpace + 1);
+
+WriteLine($"Original: {fullName}");
+WriteLine($"Swapped: {lastName}, {firstName}");
+
+string company = "Microsoft";
+bool startsWithM = company.StartsWith("M");
+bool containsN = company.Contains("N");
+WriteLine($"Text: {company}");
+WriteLine($"Starts with M: {startsWithM}, contains an N: {containsN}");
+
+string recombined = string.Join(" => ", citiesArray);
+WriteLine(recombined);
+
+string fruit = "Apples";
+decimal price = 0.39M;
+DateTime when = DateTime.Today;
+
+WriteLine($"Interpolated:  {fruit} cost {price:C} on {when:dddd}.");
+WriteLine(string.Format("string.Format: {0} cost {1:C} on {2:dddd}.",
+  arg0: fruit, arg1: price, arg2: when));