Course Information
Course Overview
Level up your C# skills with 100 bite-sized, in-browser coding problems. Learn by doing—no setup needed.
Welcome to “C# — 100 Coding Exercises”—the most practical way to level up your C# skills, one problem at a time.
Learning to code isn’t just about watching videos—it’s about rolling up your sleeves and solving real problems. This course gives you 100 bite-sized, in-browser coding challenges, covering everything from the basics to advanced C# features. No setup or extra tools required—just open your browser and start coding.
Why practice with real coding exercises?
Mastering C# means practice, not just theory. These exercises are designed to help you really think in C#—so you’ll build the habits and confidence you need for any coding task.
Whether you’re preparing for job interviews, looking to sharpen your skills for your current job, or just love the satisfaction of solving problems, this course will get you there.
Each exercise is focused and practical, teaching core C# concepts, real-world problem-solving, and the kind of thinking that employers value.
What will you gain?
The ability to tackle a huge variety of real-world coding problems—loops, collections, LINQ, pattern matching, error handling, algorithms, and more.
Experience with modern C#—from tuple returns and nullable types, to reflection, operator overloading, custom attributes, and generic math.
The “muscle memory” to write code that’s clean, robust, and ready for interviews or professional work.
Step-by-step solutions for every exercise—you’ll get both a written explanation and a solution video (unlike many other exercise courses), so you can choose how you learn best.
For many problems, you’ll see more than one way to solve the task—helping you understand C# from multiple angles.
What makes this course different?
Hands-on learning—Solve every challenge directly in your browser. No downloads or installations needed.
Real variety—From simple tasks like string manipulation and list filtering to advanced problems involving generics, events, LINQ, and more. There’s something here for every level.
Immediate feedback—Submit your solution and see the results instantly, so you learn fast and keep improving.
Solution videos for every exercise—See the video walkthrough whenever you need them, or just check the written solution if you prefer.
Interview readiness—Practicing with real coding challenges is the best way to prepare for C# interviews and coding assessments.
Your path to C# mastery
I’m a .NET Technical Lead with 10+ years of industry experience, and I’ve built these exercises to help you build real, job-ready C# skills.
Whether you’re new to C#, coming back after a break, or just want to sharpen your edge, I’ll help you level up—one exercise at a time.
Additional perks:
Lifetime access and free updates—get all new exercises and improvements.
30-day money-back guarantee—if you’re not satisfied, get a full refund, no questions asked.
Enroll now and start solving your way to C# mastery!
Course Content
- 3 section(s)
- 105 lecture(s)
- Section 1 Introduction
- Section 2 100 C# Coding Exercises
- Section 3 Bonus section
What You’ll Learn
- Solve 100 practical C# coding problems in your browser
- Build confidence through real hands-on practice
- Master core topics like loops, collections, and LINQ
- Tackle modern C# features
- Prepare for C# interviews with real-world challenges
- Instantly check solutions and learn from video walkthroughs
Skills covered in this course
Reviews
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VVasileios Argyropoulos
Krystyna is an amazing instructor! Highly recommend all of her courses. ps. I would really like a course about Web Services and REST API from Krystyna.
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BBoopathy Kannappan
Great course! The C# coding practices were clear and practical, and it really helped me improve my skills.
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ssarunpal Gahbri
Excellent
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LLyudmil Petrov
I have always enjoyed Krystyna courses they are one of the best I have most of them and would recommend to anyone learning C#