C# Fundamentals · Strings & Numbers · Lesson 7 of 22
Working with Strings
Concept
Working with Strings
Strings can be combined with the plus operator or with string interpolation, which embeds variables directly using a dollar sign and curly braces.
By the end of this lesson
- Explain the core idea behind Working with Strings.
- 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
string name = "Alex";
string greeting = $"Hello, {name}!";
Console.WriteLine(greeting);Self-check before continuing
Without looking at the example, describe what changes when you modify one input in Working with Strings. 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
Use string interpolation to print a sentence combining two variables.
Loading editor…
Console