What is coding and what is it for? A beginner’s guide


The coding enables access to and interaction with websites – this one too. But how does the coding work?

Software programming, or computer programming, involves writing instructions to communicate with machines. All devices – laptops, desktops, phones, and tablets – rely on code to operate.

The coding also controls cities. Computers operate traffic signals that have been programmed to perform certain operations. Even astronauts on the International Space Station must be able to code. Programming offers many career opportunities in technology and elsewhere.

What is coding

Every website and app works because programmers write code. You don’t have to work in the technology to use coding, however. In fact, job seekers can find most programming jobs outside of the tech industry. What can you do with coding?

Learning to program serves as the basis for lucrative career opportunities. Bootcamp graduates may need to gain junior developer experience before they can earn a six-figure salary.

Which programming career you secure depends on your professional experience, your education and your knowledge of programming languages. Coding prepares you to embark on a career as a web developer, game developer, computer network architect, and computer systems analyst. The Bureau of Labor Statistics predicts that computer information and technology jobs will grow at a rate of 13% from 2020 to 2030.

However, employment growth varies depending on the occupation. Computer programmers earning an average annual salary of $ 89,190 are projected to see a 10% decline in jobs. Applicants with a bachelor’s degree or higher have better chances of getting a job.

How does the coding work?

All code tells a machine to perform a specific task. When you use the Internet, your device uses binary code – a sequence of “1” and “0” that tell your computer which switches to turn on or off. This serves as a reliable way to store data and process information.

This process works faster with high level programming languages ​​like Python, Java, and JavaScript. Each programming language serves a different purpose, but they all take code that mirrors human language and translate it into machine code or a low-level language. Programmers and developers write instructions for computers with high-level programming languages.

What are the benefits of coding?

When bootcamps first opened in 2011, only tech junkies learned to code. Now industries outside of technology are realizing the benefits of programming, and it’s even taught in elementary schools – from Alabama to Florida. Coding can convey important concepts that apply to a career in technology or an entirely different field.

Why learn to code?

Learning to code provides the education needed to find high-paying tech jobs. The most common career paths after the boot camp are: Junior Web Developer, Junior Web Designer or Data Analyst. Coding teaches problem-solving skills, critical thinking, creativity, and perseverance. These skills also prepare you for jobs outside of technology, such as B. in healthcare, finance and marketing.

Professions where learning code is helpful

What types of coders are there?

Front-end, back-end, and mobile developers all write code that performs different functions.

Frontend developers take care of the layout and functionality of a website. You use front-end programming languages ​​- such as HTML, CSS, and JavaScript – to write code to design a website. Her job also includes optimizing SEO by improving the loading time and mobile performance of a website.

Back-end developers work on server-side development. You write code for web apps that control a website. Without this code, you would not be able to log into a website like LinkedIn or Facebook and create a user profile. Programming languages ​​such as Python, JavaScript, Java, and Ruby allow backend developers to write code that enables browsers to communicate with databases.

Mobile developers learn programming languages ​​such as Java, C ++, C #, SQL and Python. The language used depends on whether developers are creating apps for iOS or Android devices. Mobile developers often work with graphic designers and data scientists.

What are the most popular programming languages?


Scripting system applications

Efficient and portable, with built-in functions that combine high and low level languages

Does not support object-oriented programming


Universal programming language for back-end development

Easy to learn and read, versatile and portable with extensive libraries

Can be slower than C or C ++


Client-side and server-side programming language for creating interactive websites

Easy to learn and understand, powerful, popular and flexible programming language that works with other languages

As a client-side script, users can view the code that poses a security threat


Building web applications, web development, web servers, web scraping, DevOps and automation

Widely used open source programming language with easy-to-use syntax, fast development speed, and powerful community

Adjustment restrictions and runtime delays

C ++

Popular in game development, but also used for operating systems, web applications and browsers

Fast programming language with fast image processing and object-oriented functions

Security problems, relatively slow, complex programming language with unclear rules


Server-side scripting language embedded in HTML that serves interactive websites such as e-commerce websites

Versatile, easy-to-learn programming language with a huge online community; compatible with different operating systems

Common open source security problems cannot support large applications and weak types cause errors

C #

Developed by Microsoft, this object-oriented back-end programming language is used for game development, Windows applications, and website development

Versatile and efficient programming language used for many types of software and application development; similar to C ++

It takes a long time to master this complex language and requires compiling code.

Low-level vs. high-level

Programming languages ​​come in two forms: low-level and high-level languages. Low-level programming languages ​​or binary code look like a sequence of “1” and “0”. Computers understand low-level programming code and can process it faster. However, programmers can learn and use high-level programming languages ​​faster because they look like a human language.

How can you learn to code?

People learn to code in different ways. Some are self-taught, others go to college or boot camp. Each route has advantages and disadvantages.

Web pages

Websites like Treehouse or GitHub offer the opportunity to learn code for less money than bootcamps. Websites also offer limited free courses for a limited time. Students can watch videos for free during a trial period to learn about Python, front-end web development, full-stack JavaScript, and UX design.

You can also teach yourself programming for free with free tutorials on websites. This helps beginners get the basics they need before signing up for a full-time intensive bootcamp.


You can also learn the basics of coding through your smartphone. Apps available through Codecademy and Mimo allow beginners to practice programming through video and online exercises. Many apps can be downloaded for free.

Training camp

Coding bootcamps train both beginners and advanced users. Popular boot camps – such as Flatiron School, Fullstack Academy, Bloc and Thinkful – require intensive training. Bootcamps run for weeks or up to six months, and students often have to study full-time.

Boot camps require a large investment of time and money. However, unlike apps or websites, bootcamps also offer career services. Some boot camps even offer job guarantees.

How do I start coding?

You can start learning to program by reading and studying programming. Podcasts, YouTube videos, apps, and websites can be the foundation for learning to code. You will also need the software necessary to code it.

How difficult is coding?

Learning to code requires persistence and a passion for technology. Mastering a new skill takes time and practice. Some programming languages ​​are harder to learn than others. But you can learn to code even if you don’t like math.

How much do programming jobs cost?

Computer programmers make a living after investing the time and gaining work experience. Junior developers, a common position among inexperienced programmers, earn an average annual salary of $ 53,803, according to PayScale. Computer programmers with 10-19 years of experience earn an average annual salary of $ 79,000.


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