File>New Project>Visual C#>Console Application HelloWorld! using System; //'using' includes an existing code library(namespace) namespace ConsoleApplication1 { class Program { static void Main() //c# console begin in Main() method { //'output is declared as text string //value of output is Hello World! string output = "Hello World"; Console.WriteLine(output); Console.ReadLine(); } } } Run. Output. Hello World. BREAKPOINTS u sing System; namespace breakpoints { class Program { static string title = "The sum is:"; static void ShowSum() { int x = 55; int y = 66; int sum = x + y; Console.WriteLine(sum); } static void Main() { Console.WriteLine(title); S