blog thumbnail
sigma-school

Common mistakes beginner programmers make 

Sigma School
30th August 2023

Programming can be a challenging and rewarding career, but it's easy to make mistakes, especially when you're just starting. Here are five common mistakes beginner programmers make and how to avoid them.

1. Not testing code thoroughly: One of the most common mistakes beginner programmers make is not testing their code thoroughly. It's essential to test every aspect of the code, from input validation to error handling. Testing helps identify bugs and errors before they become bigger problems.

To avoid this mistake, you should write tests for your code as you write it. Use automated testing tools to make sure your code works as expected. Don't be afraid to break your code and then fix it. The more you test, the more confident you'll be in your code.

2. Not using version control: Another common mistake beginner programmers make is not using version control. Version control allows you to keep track of changes to your code over time. It also makes it easier to collaborate with other developers.

To avoid this mistake, use a version control system like Git. Create a repository for your code and commit changes regularly. Use branching and merging to keep your code organized and to collaborate with others.

3. Not commenting code: Code that's hard to read and understand is a common problem for beginner programmers. One way to make your code more readable is to add comments. Comments help explain the purpose of the code, how it works, and any assumptions you've made.

To avoid this mistake, write comments as you write your code. Comment on the purpose of each function, how it works, and any potential problems. Make sure your comments are clear and easy to understand.

4. Not breaking code into functions: Another common mistake beginner programmers make is writing long, complex functions. These functions can be hard to read and understand. It's easier to understand code that's broken into small, self-contained functions.

To avoid this mistake, break your code into small, self-contained functions. Each function should do one thing and do it well. Use descriptive function names and avoid side effects.

5. Not asking for help: Finally, beginner programmers often don't ask for help when they need it. It's easy to get stuck on a problem and waste hours trying to solve it. Asking for help can save time and help you learn faster.

To avoid this mistake, ask for help when you need it. Ask other developers on forums or social media. Join local programming groups or attend meetups. Don't be afraid to ask questions, even if they seem basic. Learning from others is an essential part of becoming a better programmer.

In conclusion, programming is a challenging and rewarding career, but it's easy to make mistakes, especially when you're just starting. By testing code thoroughly, using version control, commenting code, breaking code into functions, and asking for help when you need it, you can avoid common beginner mistakes and become a better programmer.

Interested in learning coding? Visit our website and enroll today!