The most used programming language in the world is Java (so it seems, as there is no way someone can confirm that with ease). If you look at interest over time, it will continue to decrease. But if you compare Java interest vs any other language there is such ca gap that makes it hard to compare. Java outstands competition. And we estimate it will continue to do so during the next 5 years.
Most of the modern technologies are built with Java (bigdata field like Kafka, Spark, Storm…). Ironically, the legacy ones too. Only the emerging Python and renascence of C++ with the ML & DataScience had the potential to threaten its position on the market. We believe that in time, in a 10-year timespan, all technologies will converge to mostly the same market share as all over them are renewed continually.
We might admit that Java lost some pace in modernization somewhere between Sun acquisition and late 2017, but it rebooted itself recently with yearly major releases.
There is rarely an unsafe job in IT. But if you are a novice and want to learn something for the long future, Java a viable option. We say this as we’ve observed unhappy situations where great skills are mastered by people in the wrong region. This is usually the case with Ruby. Even if Ruby demand of jobs is still increasing, you might not find a job available nearby. This is less true with Python. But you assume no risk with Java. Jobs are mostly everywhere. Be aware, they might be about very old Java technology no experienced developer wants to work on!
Depending on what you do, Python, C++ or PHP (and many more) might be seen as competitors of Java. Most often, Java is compared with C# (.NET). Some dare to replace Java with Scala, but this never seems to be the right choise for the long-run (there aren’t enough Scala developers if your business is a success).
Wrapping it up! We can continue writing thousands of pages about Java, but just trust us. We bet on it for the long-run. If you don’t know what to choose as technology. Choose Java: great reputation, enough innovation, large job market, still number 1 in TIOBE index, and nevertheless, lots of fun (we were almost going to write lots of xml – geeky joke).
If you need to find more data you can use our tool to compare and analyze the technology
Java is a general-purpose programming language that is class-based, object-oriented (although not a pure object-oriented language, as it contains primitive types[unreliable source?]), and designed to have as few implementation dependencies as possible. It is intended to let application developers write once, run anywhere (WORA), meaning that compiled Java code can run on all platforms that support Java without the need for recompilation. Java applications are typically compiled to bytecode that can run on any Java virtual machine (JVM) regardless of the underlying computer architecture. The syntax of Java is similar to C and C++, but it has fewer low-level facilities than either of them. As of 2019, Java was one of the most popular programming languages in use according to GitHub, particularly for client-server web applications, with a reported 9 million developers. - read more on Wikipedia
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