I always dreaded Java. I started my journey with JavaScript and was using it for backend with Node.js. I loved simplicity and versatility of javasc...
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Have used it for many years, mainly because it's just being used a LOT in corporate environments and in big IT systems - Java, they often call "The New COBOL" :-)
Switched from being an "employee" to being a remote freelance web developer years ago, and now it's PHP and Javascript, haven't touched Java for a long time - I think there's very little demand (or opportunity) for remote freelance devs to do Java work, because it tends to be more for "in house" roles in corporate environments.
I believe that recent versions have picked up a lot of modern features (e.g. Functional Programming / FP style constructs a la map/filter/reduce etc) - but I'm not following it anymore, there's no incentive, and I don't really have a reason to.
But there's no denying that Java can be good for your career :-)
P.S. "... despite Java's popularity, running on billions of devices from mobile phones to POS systems ..." - I'm always a bit skeptical about these claims ... yes, it's installed on many computers/devices, but is it also actually used ? I think the last time I ran a "Java Applet" is more than a decade ago ...
good point. Java is used highly by inhouse teams and those teams use java syntax and features from a decade back. But I have seen some modern startups and OSS projects using Java for backend. Checkout out kestra they are using java and micronaut for backend.
Right, I checked Kestra and that seems the kind of thing you'd want to use Java for (hadn't heard about Micronaut) ... yeah it's not only in-house and "corporate" where Java is used, but that's where it is used a lot - and also stuff like big financial systems, ERP systems, payment platforms - like I said, "Java is the new COBOL" :)
20 years of Java experience, here. Things to consider/learn:
@charles_roth_8c0df94d211a, thanks for the really high quality resource for junit. would try out guice for sure sometime.
"Caused by chain" = stacktrace
I would advice against using SpringBoot, but I get why newcomers use it. We all used training wheels when we first started riding bicycles.
Check this: JumperCode
For those thinking Java is similar to JavaScript because it is "java"Script 🤌🏻
lol, yeah first time I thought that too. But JavaScript people were inspired by Java, so they named it JavaScript.
...And Oracle owns JavaScript.
ohh didn't knew it. cool fact.
Um, no, Oracle does NOT own Javascript. They own the trademark in the word -- but that's it. No-one owns the language, if anything the definitive standard is from ECMA, and the Europeans actually call the language ECMAscript.
Oracle DOES own Java, but other implementations of the language, and 99% of the standard Java library, have been declared as reusable/recreatable as "fair use" by the US Supreme Court. So many other organizations (notably Amazon) have their own implementations of Java -- but they stick extremely closely to the standard as defined by Oracle.
Reference: britannica.com/technology/JavaScript
Try Kotlin. It has a nicer syntax and has more features thanks to Kotlin Multiplatform.
(Liked. But it really IS Java underneath, and runs on the JVM.)
Thank you for the post Appreciating Java
50 billion+ devices run on Java.😄
thanks @dhanush9952. sure Java has so many real world applications!
I love Java. Thats it.
as one who left java some 5-6y ago and would not look forward going back :), there's nothing in this article that should make one appreciate java. Ignoring the quarkus, spring, kotlin palliatives I think the main issue is the OOP itself, modern systems are less "heavy hierarchy of classes designed ahead by great luminaries" and more "dynamic smaller systems that can be upgraded on the go". Java works for the second as well, but seems clunkier
Compared to what? Which "modern systems" are you thinking of?
There are certainly plenty of public/open-source Java utility libraries that are "less heavy hierarchy of classes" compared to the original Java standard libraries.