C# Exercises

Welcome to The Coding College! Learning to code is all about practice, and exercises are a great way to reinforce your understanding of C# concepts. In this post, we’ll provide beginner-friendly and advanced exercises that cover essential topics in C#. These exercises will help you sharpen your coding skills and prepare for real-world applications.

Why Practice C# Exercises?

  1. Enhance Understanding: Exercises help solidify your grasp of fundamental concepts.
  2. Improve Problem-Solving: Solve challenges to build logical thinking.
  3. Prepare for Interviews: Practice frequently asked programming questions.
  4. Boost Confidence: Regular practice makes you confident in writing error-free code.

Getting Started

Before diving into exercises, ensure you have access to:

  • A C# compiler or IDE (e.g., Visual Studio, Visual Studio Code, or an online compiler).

Beginner-Level Exercises

1. Print “Hello, World!”

Write a program to print “Hello, World!” to the console.

using System;

class Program
{
    static void Main()
    {
        Console.WriteLine("Hello, World!");
    }
}

2. Add Two Numbers

Create a program that takes two numbers as input and displays their sum.

3. Odd or Even

Write a program to check if a given number is odd or even.

4. Simple Calculator

Create a program that performs addition, subtraction, multiplication, or division based on user input.

5. Swap Two Variables

Write a program to swap the values of two variables without using a third variable.

Intermediate-Level Exercises

1. Factorial

Write a program to calculate the factorial of a given number using recursion.

2. Fibonacci Series

Create a program that generates the Fibonacci sequence up to a specified number.

3. Prime Number Check

Write a program to check whether a given number is a prime number.

4. Array Operations

  • Find the largest number in an array.
  • Sort an array in ascending order.
  • Calculate the sum of all elements in an array.

5. Palindrome Check

Create a program that checks if a string or number is a palindrome.

Advanced-Level Exercises

1. Matrix Multiplication

Write a program to multiply two matrices.

2. File Handling

Create a program to read from and write to a text file.

3. Custom Class

Define a class with properties, methods, and constructors. Create objects of the class and display their details.

4. Inheritance

Create a base class and a derived class. Demonstrate method overriding and polymorphism.

5. Exception Handling

Write a program to handle multiple exceptions and demonstrate the use of try, catch, and finally.

How to Approach These Exercises

  1. Understand the Problem:
    • Read the question carefully and identify inputs and expected outputs.
  2. Plan Your Solution:
    • Break the problem into smaller steps.
    • Choose the right C# concepts to solve the problem.
  3. Code and Test:
    • Write your code in a C# IDE or online compiler.
    • Test with different inputs to ensure correctness.
  4. Debug if Needed:
    • Use debugging tools to identify and fix errors.

Tips for Success

  • Start with simple exercises and gradually move to advanced ones.
  • Practice regularly to build consistency.
  • Read C# documentation for detailed insights on concepts.
  • Discuss solutions with peers or on forums to learn new approaches.

Conclusion

Practice makes perfect! Use these C# exercises to strengthen your programming skills and become confident in solving problems. For more C# tutorials, examples, and exercises, explore The Coding College—your ultimate destination for learning coding and programming.

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