C# Fundamentals · Getting Started · Lesson 1 of 22
Your First C# Program
Concept
Your First C# Program
A C# program's entry point is the Main method inside a class. Console.WriteLine prints a line of text to the console.
By the end of this lesson
- Explain the core idea behind Your First C# Program.
- Predict output before running a change.
- Test one realistic and one unusual input.
- Use the result to make the next decision.
How to study this page
- 1. Read one concept.
- 2. Change the example.
- 3. Run, compare, and explain.
- 4. Complete the challenge below.
ExampleRunnable
using System;
class Program {
static void Main() {
Console.WriteLine("Hello, RivoCode!");
}
}Self-check before continuing
Without looking at the example, describe what changes when you modify one input in Your First C# Program. Then reopen the editor and prove your explanation with a small test.
You are ready to continue when you can predict, test, and explain the result.
Your turn
Modify the program to print your own name instead.
Loading editor…
Console