I have read someplace that programmers should learn a new programming language every year ( I think it's code complete, not sure, though), but if you cannot do so, I suggest to at least learn the following five programming languages to do great in your career. Everybody loves multilingual programmer and an all-rounder who is talented enough to write a quick script and can also write complicated Java programs.
In fact, it's almost obligatory for a senior developer to learn more than one language. Interviewers are giving more awareness to an engineer who has good experience with many languages, e.g., C++ and Java go quite well, so is Python and Java. I especially like Software Engineers who have strong background in either C++ or Java and can write scripts in Groovy, Perl or Python.
Countless times a small script is quick and reliable enough for the ad-hoc task and I don't want my programmer consuming a full day in Java to write a program to read CSV files or to grab a message from a TCP/UDP port.
Why I chose these five programming languages? My judgments are simple and practical. I have chosen languages based on their usage, paradigm, and reputation. For example, you cannot neglect Java if you want to do application developing and looking for a Job. So is JavaScript, which is almost everywhere on the web.
C is the one language I completely believe developers should learn at the very beginning of their career because it will help them to get more familiar with the system and understand key programming concepts that are often masked behind JVM or CLR.
Python is my selection of scripting language though you can also replace it with Perl or Groovy. Though when it comes to online maintenance, Python is great. There are lots of python modules accessible that can do your job in a couple of minutes.
Furthermore learning an object-oriented and one functional programming language like Haskell or Scala will broaden your thinking and programming sense. You will find more judgments to learn these top 5 programming languages in this article.
Top 5 Programming Languages Every Programmer Should Know In 2019
1. Python
Python is one of the most prepared languages in schools and colleges across the world. In the USA, Python has succeeded Java from many educational courses as a preferred language to start with. What will you gain by mastering Python? A lot.
Python is one of that language which can be used as a scripting language as well as a customary object-oriented language for a large project.
Several popular websites, including Reddit, are built upon Python frameworks like Django. In recent times, many large companies are switching to the Python-based framework as well.
I personally use Python for creating scripts though, and it is very helpful for doing something quickly, e.g. you can write a UDP message listener in 5 minutes in Python as battled to 20 minutes in Java, forget about compiling, packaging and then using. Just produce python scripts for ad-hoc tasks. If you are interested in learning Python, then The Complete Python BootCamp is a nice place to start with.
2. Java
Java is one of the most famous languages of the last two decades and commands the world of server-side application development. It also holds a sizable market share in mobile games and application developing using Android and enterprise web development world.
Java was commenced with a simple thought of WORA, “write once run anywhere,” but over the period, Java actually ran everywhere.
You should learn Java to create a strong, scalable server-side application. You can create projects of any complexity in Java, as it has tools, technology, and community to help with.
Why should you master Java? You will learn how to concentrate on application layout and code structuring without bothering about system-specific details and memory management. JVM will take care of it.
If you decide to learn Java, then The Complete Java Master Class on Udemy is a good course, to begin with. It covers all the essential concepts of Java in good detail.
3. C
You cannot be a programmer without understanding C or C++. This is a very powerful statement, but I am saying this from my experience. Software engineers or developers who know C are solely better than programmers who don't know C, and it cannot be just a common coincident.
It's one of those languages which you need to know. I studied C during my academics and studied many key programming concepts along the way, like structure, array, pointers, memory management, etc.
The C is still the most favored language for system programming, and it has given Java a solid race at the top of the table from the last two years. If you want to master this wonderful language, then C Programming for Beginners is a good place to start with.
4. JavaScript
Some parts of JavaScript's powerful success go to jQuery, which absolutely changed the way you use JavaScript on the client-side. As a Java programmer, working on JSP and Servlet based application, I have had countless opportunities to use both jQuery and JavaScript.
Information of this language has helped us to decide which feature should be executed server-side and which can be handled at the client-side, e.g. many validations we used to do on the server-side was transferred to the client-side.
If you want to learn JavaScript from scratch and in-depth, then The Complete JavaScript course on Udemy is the best online course you can join.
5. Scala
Scala is the language that is designed based on the best practices of the last 20 years. It is also a functional programming language, so it offers a diverse paradigm than object-oriented programming, which will develop your thinking and code sense.
Though there are several functional programming languages available, e.g. Haskell, I have picked Scala because as a Java developer, I found studying Scala is easy than learning Haskell.
Someone can take that as a challenge and learn Haskell as well, but for useful purposes, I think mastering Scala is more relevant for Java developers.
For C++ programmers, Haskell makes more sense to me. To be fair, you can pick any functional programming language but chose one which has commercial demand.
As a professional developer, I prefer to entrust my time in something which can be used in my career, and if you want to learn Scala, then Beginning Scala Programming is a good course, to begin with.
But, no matter how several programming languages you learn, you must comprehend the coding and design principles given in Clean Code by heart to grow into a professional coder. It's those skill which helps you most in your programming career.
That's all on this list of top 5 programming languages every programmer should know in 2019. Some of you might find the list as 5 programming language Java developers should master, which is also right. IMHO analyzing languages that offer different paradigms is the best way to develop your programming skills and help you to do your day to day tasks efficiently.
Ideally, a programmer's toolset should involve one language which is alike to the system, e.g. C or C++, one object-oriented language like Java, Python or C++, one functional programming language, e.g. Scala or Haskell, one robust scripting language like Perl, Python or Ruby, and JavaScript. Yes, there is no replacement for JavaScript.
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