A senior Java developer and Java tutor at Learning Tree International programming courses.
It is doubtlessly a rapidly changing field, and the only chance to remain an in-demand specialist is to always be in the know of all changes and keep up with developing. That is why the coders who know two or more programming languages and are constantly expanding their knowledge base are especially wanted among employers.
Knowing more than one programming language can be compared to the work of a handyman, who has a bunch of tools with which he can perform various tasks. Similarly, programmers with two or three languages under their belt can build complex projects. Given the problems you want to solve with a project, you can pick up the language (from those you have at hand) that can surely help you find a resolution.
The more knowledge and skills the programmer has, the more employment opportunities and career prospects he or she gets. Today, many companies are looking for universal developers. As a “monolingual” programmer, you significantly limit yourself to only a few roles in projects, while knowing two or three programming languages provides you with multiple career paths and lets you land a dream job.
The more languages you know, the more you can earn to support yourself — the companies are willing to pay more to “multilingual” specialists. Back in 2018, Coding Dojo analyzed job listings in Fortune 25 companies and found out that none of them worked with a single language. They adopt polyglot codebase, and hence are interested in specialists with more than one language at hand.
Being proficient in more than one programming language lets you remain flexible and quickly adapt to technology shifts that happen in the programming world quite often. One technology replaces the other and those languages that have been less sought-after suddenly become more rewarding than others. So, knowing many technologies makes it possible for you to stay ahead of the competitors and ensures upward mobility.
Last but not least benefit of knowing two or three technologies is that you can manage a team of coders working in different languages and bring more value to a project than a “monolingual” specialist.
If you set aside a few hours for studying every day, it may take you up to two-three weeks to grasp an idea of principle concepts and start creating something basic. However, if you want to start working with Java at your earliest convenience, it’s all up to you — give your day and night, and you’ll be able to apply for your first Java programmer position at short notice. The sky’s the limit.
For a more engaging and fast learning process, there are multiple interactive Java programming courses on the web. But, I would highlight a few of my favorites that should be interesting for you.
CodeGym is a single-language online course focused on providing you with as much practical experience as possible. It offers to complete 1200+ coding tasks to master Java. The tasks can promptly be verified by the virtual mentor (AI, not a person), so you can get recommendations on what to improve in your code. You can also create your own version of one of the classic video games and hence end up the course with your first small project.
This Java course by Udemy is perfect for students who already know another programming language and want to add Java to their skills as well. The program allows mastering Java without a hassle. It covers all important features and concepts from Java fundamentals to more advanced topics, such as OOP, Java collections, lambda expressions, multithreading, etc.
Codewars is another gamified learning platform that makes it possible for you to learn Java from scratch. While mastering it, you will train on the challenges called kata with the other students. Upon completing every next level, you will gain honor and rank. Codewars also allows you to create your own kata and challenge your peers.
Unlike many other gamified learning platforms, Cyber-Dojo encourages you to improve your programming skills rather than finishing the coding game as soon as possible. The platform comes with challenges and exercises that allow practicing more than 30 programming languages, including Java. The students can practice individually or join groups. Every offered task has detailed instructions on how the end result is supposed to look like.
CodeChef platform is known for its coding contests and challenges run twice a month. Users can practice over 50 programming languages by competing with other programmers. CodeChef is an ideal place that allows specialists from the whole world to show off their programming skills and even win trophies. If you don’t want to participate in contests yet, CodeChef offers to join training sessions and discussions related to algorithms, binary search, and other tech topics.
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