Java vs Kotlin for Android Development in 2022
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- เผยแพร่เมื่อ 3 มิ.ย. 2024
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A common question that I see people ask whether they should learn Java or Kotlin for Android app development. This is an excellent question, after all who doesn't like a good "Kotlin vs Java" quandary? In this video I go ahead and answer that question by talking about the shortcomings of Java as well as the amazing features of Kotlin. We will also see side by side code samples of various features as well.
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📝 DESCRIPTION 📝
So whether you are looking to start a career in mobile development, understand the major difference between two Android Development languages, or just be entertained while we compare and contrast how these two languages approach solving the same problems, you are in for a treat. Keep in mind that Kotlin was designed to replace Java, and while there can be a lot of confusion between Java vs Kotlin, this video will tell you which one is better. Honestly I will be surprised if Java is still a big programming language after Google I/O 2021 as I expect Jetpack Compose to go 1.0 at which point Kotlin will take over the software engineering world.
📚 RESOURCES 📚
Kotlin Tutorials For Beginners - • Setting Up IntelliJ An...
Kotlin Scope Functions Explained - • The Let Scope Function...
Kotlin Collections Explained - • Kotlin Collections - I...
Jetpack Compose - developer.android.com/jetpack...
Java Records - blogs.oracle.com/javamagazine...
Kotlin Coroutines - kotlinlang.org/docs/coroutine...
Kotlin Multiplatform - kotlinlang.org/docs/multiplat...
Desugaring in Android - blog.mindorks.com/desugaring-...
J2ObjC - developers.google.com/j2objc
⏰ TIMESTAMPS ⏰
0:00 - Intro
1:01 - Java Is Outdated
2:09 - Kotlin Is Platform Agnostic
4:38 - The Future of Android is Kotlin
7:28 - Kotlin Language Features
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#mobiledevelopment #softwareengineer #softwaredeveloper
Hey everyone, what language are you using for Android in 2021? Let me know, would love to know how many folks are still using Java full time with no plans of using Kotlin 😊
I was actually thinking about learning Kotlin to work as a mobile dev after I graduate. Glad I came across your video for this info
@@thefatpakyak2826 great to hear this video found you at the right time! I have a couple playlists dedicated to learning Kotlin, feel free to check them out. Also you’re more than welcome to join our discord, we have a coding channel where you can ask questions ☺️
Dart and then Kotlin if I have to 😂
Wow, shots fired 🤣 Flutter is cool though.
Thanks man, was confuse if to start with Java or kotlin.. I'm going fully kotlin now. Also I'm going to start with the google associate degree.. But what after that?? Any other course or certification that you would like to recommend??
I wonder why this video invested a lot in images and content but few views, I really appreciate your great work.
As someone getting back into learning mobile dev, this video was super helpful. Thank you! Subscribed! ✨
Glad it was helpful!
Boom! Thank you my dude great video!
Christopher my dude, thank you for the great comment, made my Saturday 😊
The use of colon for inheritance and use of the top level main function as the entry point sounds familiar... yeah.. C++ and Dart uses them. C# uses the colon too, although it won't extract the Main function outside a class which was adoption from Java.
Thanks for the video Cody
Yeah you’re welcome 🤗
I think, I cannot ignore Java at all. The reason is there are a lot of jobs requiring skill in Java for backend; sometimes they even mention Java EE.
That's why I am learning both.
12:36 If I m not mistaken you can do a ternary operator in java which looks like this:
int max = (a > b) ? a : b;
13:33 You can typecast in if statement:
if (object instanceof String str) {
str.length();
}
Typecasting like that was added to JDK 14 under a preview.
Thank you very much for your course.
You are welcome!
Thank you great video 👌🧡
Thanks Aktham 🙂
Some of the criticisms to Java have been addressed since this video was released. But I don't know if they're usable for Android.
Kotlin is definitely the best language for Android development though.
Bro..you provide great informative videos. Glad to be one of your early subscribers 😀. I am learning Kotlin for mobile dev. Can i get your advice sometimes through social media or something?
Hey Kazim happy to hear you are enjoying g the videos! Outside of TH-cam my discord is the easiest way to get ahold of me (link to join is in all of my video descriptions).
I started using Kotlin when it went to 1.0 in Jan 2016. It was super easy to get working with Android studio and has great Java interop. The only reason to use Java is if you're shipping a library that is being used by Java. Some of the more advanced features like coroutines, extensions, etc are awkward to use from Java.
It’s actually not too bad shipping a Kotlin library that works with Java because of the Java specific APIs. You do have to be aware of the limitation of Java though, so higher order functions and coroutines are definitely something to not expose in the public API.
Kotlink coroutimes use a single thread, but Java (in Loom) uses "commonPool" which has as many threads as the CPU. Kotlin's fundamental limitation is that it works at the bytecode level, whereas Loom works at the JVM implementation level. This is why Kotlin was forced to use the "colored function" approach, whereas in Loom, they are all on the same footing. Loom is far more ambitious because it redefines the notion of the Java thread, making a positive impact on all the existing code that uses the blocking APIs. It basically reverts the definition of "modern Java", placing the oldest I/O APIs ahead of the async APIs of today.
Interesting, I did not know about Loom, thanks for sharing!
Java has a lot of enhancements still coming for it, it's just that they're really slow to deliver
@@theshermantanker7043 indeed, project Loom has started several years ago, and it looks like it is going to take several other years to be ready ...
Kotlin coroutines are not single-threaded but use a Dispatcher, which is more or less a wrapper around a ThreadPool. While Loom is great, its rather irrelevant from the perspective of an app developer.
@@RicardoSilvaTripcall Project loom is already previewing in JDK 19. If all goes well, it should be fully ready in JDK 21.
After this video, I am now convinced Kotlin is the way forward. This is the next language in going to learn as I am a Android fan boy 👍🏾
Woohoo 🥳
2024 still using java with full satisfaction 😎
If Sheldon Cooper said it, I agree fully! lol Joke aside... amazing video!
😆
thx a lot
You're welcome!
Sir does phd in computer science boost salary increase? Nice video.
It can, but not enough to be the primary motivator to get a PhD
Never knew much about kotlin but it sounds very similar to Swift! Thanks for the info.
Yeah, they are fairly similar, at least jumping from to another doesn’t take too much mental energy, albeit they are different enough.
Is Ktor good for large-scale project development?
I haven't used ktor in an Android application but I don't see why you couldn't. Kotlin is definitely the way to go for modern Android development though.
What about the legal issues?
Tysm
You're very welcome :)
Hi Cody, I hope you read this and could help me answer an opinion by giving me your feelings or sharing your wisdom. I've been learn JavaScript for close to 10 months and recently I picked up Kotlin for mobile and found I enjoy it. But I am afraid that if I go and focus on Android development I won't find a job, I'm moving to Orlando Florida and I think there is a small job market there not sure. Also I am afraid that everything I learn with JavaScript I will loose including my skills in CSS which I got good at for designing. Is learning Android development starting completely over if I stop learning web development? How long does it normally take to become an Android developer? Thanks for reading my message..
Hey William, it depends how long you've been programming. If it has been for 10 months with no professional experience then learning Kotlin & Android now will feel like starting over, but at the same time if you enjoy Android and Kotlin more JavaScript it could be worth it to pursue since passion tends to make it easier to keep going through the rough patches of learning.
As you learn there will probably be things that you find carry over from JavaScript to Kotlin as well which is normally how learning a new language works where you'll draw on a language that you have more experience in.
In terms of finding a job, it's really hard to say. This job market is pretty terrible at the moment. With mobile there are fewer engineers to draw from so you're competing with fewer candidates but at the same time there are also fewer jobs to pick from too. If you felt like you're getting close to finding a job for JavaScript then it might be best to keep at it, get a job with those skills, and then learn Android on the side.
Hope this helps!
@@CodyEngelCodes thank you for your advice. It makes a lot of sense, the job market is challenging at the moment, I have to create more projects and update my resume. So far I only have about 6 small projects including the last one, a calculator I recently made. Thank you once again.
@@DevlogBillsir, can you make an update on your journey, how goes it so far? Did you proceed with an android development learning kotlin or find a job in frontend development?
@@musviqiskndrov1793 Hi Musviq, I am still on my path in learning Software Development. It is very tuff having a full time job where I work sometimes 50+ hours a week. But my stubborn nature forces me to code every day and I get it done. So I find the time still to code. After my last post I stopped Android Studios for 3 or 4 months and focused on Backend with Python and Django. But earlier this month I returned to Android Studio and Kotlin because I came up with the idea that I can use Django which is a back end framework and create an API with Django. Get good with Android and Kotlin and try and create a project which allows Android to make an API request from Django.
Also, the more I looked into Android the more I realized there is a huge job market in Android which I had no idea existed. So, at the moment I am working on an Android course from Udemy using Kotlin. It is slow going because there are many lessons. But I figured it is better not to rush it but learn things deeply.
Kotlin/js is also their
Can you make a video on kotlin/is vs javascript
Maybe!
nice :-D
Thanks 😁
I am confused…is what you talked about in this video is about Kotlin native or Kotlin/jvm
Primarily Kotlin/JVM.
what about dart?
Dart is good for Flutter. Flutter is good for cross platform development. I wouldn't necessarily say that Flutter is exactly the same as Android, the outcome may be the same but the technology stack used is quite different.
Android 14 now supports OpenJdk 17
I can't wait for Android 14 to be the minSdkVersion in 2036.
@@CodyEngelCodes Well, I was even surprised that Google has finally trying to catch up with the latest mainstream java.
Its a step in the right direction.
where are checked exceptions in kotlin? and 2nd why is there so trashy amount of time to compile a small app? I am trying to learn kotlin and I am struggling so hard it does not even support automatic type widenin + everything is "pythonized" which is just gross so poor to read it almost does not feel like a language I have over 8 years of experience in Java as an Android Dev and now we are forced to switch in kotlin in our company
There aren't checked exceptions with Kotlin.
I wish kotlin to be even more “pythonized” and get rid of curly brackets most of the time.
which one do you prefer
I dunno, it’s hard to pick one over the other 😉
@@CodyEngelCodes for salary maybe choose which one loll
Doesn’t make much of a difference. Kotlin is more niche and modern it can be harder to find a job specifically with Kotlin outside of Android but it’s also harder for companies to hire for that which means more money. Realistically though it doesn’t make a huge difference
@@CodyEngelCodes oui mon ami 😁
ami à tout moment
Thanks for making an informative video NOT related to salaries.. lol :)
Lol, you’re very welcome Danny, those videos were getting kind of boring to film and edit 😂
@@CodyEngelCodes I hope you keep pumping out more videos like this where you're just sharing your own experiences and knowledge. The most helpful ones to me were the ones about the different stages of Software seniority levels, and how much YOU made as a software engineer.
@@dansteryoo good to know. My next video will be talking about how I learned ktor recently, hoping I can get the video filmed and edited this weekend 🤞
Since Google recommended Kotlin, I followed it.
Now, how about the backend ?
Programming languages for backend? Kotlin.
@@CodyEngelCodes In a lot of job requirements in my country that I have seen so far, they only mention Java, not Kotlin. It's a fact that I need to consider, despite all nice features Kotlin offer.
You can write smart contracts on Corda blockchain using Kotlin aswel as Java, so id say Kotlin has a decent future as we'll soon be in the world of CBDCs.
Good to know! I'll have to check it out ☺️
Very informative video on two major languages of Android app development. It's difficult when to select the language for Android app development. Moon Technolabs is one of the best Android Mobile app development companies in New York that use the best languages for best android app development. Thank you!
Swear to god. I thought levy from gotham chess is doing a programming video.
Maybe he is!
I used both, people say Kotlin is better than java blah blah, but It is not only me still have fun with java, hey google itself still have fun with java, it's dependencies are still java code. It said Kotlin is null safe, but there are ways to make null safety in java. I think Kotlin is good enough, but it is not better than JAVA. What does Java Logo seem to you? yes, it is a cup of coffee. Coffee mean smooth liquid never fails to give joy or satisfaction whenever it is being drank. It may be bitter, but it has purpose. Be nice to JAVA. ;D
Switching from Java to Kotlin felt like switching from an abacus to a calculator.
You're being too kind to Java 😉
😆 🤣 😂
@@CodyEngelCodes geez
@@CodyEngelCodes java is a time machine, kotlin is a clock it can only focus on the present/android, while java can be use everywhere not just android
Google's Fuchsia will replace Android. That's their goal. Kotlin is not a supported language on Fuchsia as far as I know.
Back when Google I/O was still in-person, Fuchsia was joked about every morning before the keynote. People would talk about how it will "definitely" be talked about in the keynote. Everyone knew there wouldn't be an update, so we'll cross that bridge if Google ever builds it.
Which has future Kotlin or Java? Kindly tell me
Kotlin.
How about multiplatform using Kotlin?
That’s something I’d like to explore more in the future. I think Kotlin MPP is very promising 😌
I use that .. quite good except for crazy low level shit . I had a project that use this for QUALCOMM BLE MESH application which is crazy to deal the code in iOS. As long as high level , I would say is fine.
I had been hating Java for almost a decade (C# user) and only started using Java because of Android. As soon as Kotlin came out, I switched to Kotlin and since then I never used Java for Android. I can think of no reason to use Java over Kotlin since wherever Java runs, Kotlin can run, too.
The only reason I'd use Java is if I wanted to punish myself.
I use Java because I really hate C# so to me if I can avoid using a Languange built by Microsoft specifically made to make a closed down Java is worth it to me.
@@computernerd8157 So, you don't like C# itself, but because of political reasons? It may have started that way, but these days, I feel .NET is more open than Java. I mean, Oracle sued Google for Java, and didn't they recently changed the licence in a complicated way that developers worried about installing JDK? I have not heard of similar moves from Microsoft regarding C#.
@@typingcat C# produces .exe Microsoft excutable files while Java produces a file that the JVM csn read. If C# became number one the all programs would be Windows programs that happen to run in the .Net framework. I do not trust Microsoft to not one day pull the plug on that but oracle would not benfit if they did the same. C# as a languange is not bad but because of its history and ties to Microsoft, I do not like C#. I would use it if I had no choice but I would prefer any other languange even JavaScript and its God only knows how many frameworks.
@@typingcat I see no reason why C# would be more portable then Java. C# may be better in that Microsoft improves it but in the end, a Java dev can use other systems like Mac or Linux and get more out of Javs then they would being C# devs at leasr until Microsoft Ports all of the .Net Framework to both systems. Even when Microsoft does we have to deal with the reality that Microsoft is has a reputation of pulling the plug when it no longer benifits them.
Kotlin :)
Heck yes 👏
great another language to add to my resume that will definitely help me impress the ladies
Java is a headache to work with but it does serve its purpose. How much easier is Kotlin?
Once you get the hang of not needing a semicolon, Kotlin is a breeze.
All right I'll start this Kotlin journey
Jetpack Compose. So sad that we seem to have regressed. Now we have to write a ton of code to do UI and can't design it visually.
I started on Android with Kotlin and I just fell in love with the language. Do not respect anyone that goes against it. Kotlin is the future.
As great as Kotlin is, never get too limited to 1 language. What is hot today will be considered trash in 20 years.
Examples: Cobol of the 60s, C of the 80s, and Java of the 2000s.
The open source community is keeping C a live, but if you want to work for a traditional company I 100% agree with you. C and C++ will always be my fav languanges but I also know Java, and Familiar enough with Python. To me languange is irrevlant. Give me 2 days and I can get anything to work in any of these languanges.
Kotlin for Apps and Java for machines like ATMs.
This isn't really a good comparison of both languages as a whole, considering that Java 16/17 and newer are significantly better than dated versions of Java like 1.6/1.8. This is like comparing Rust to the ancient Cfront version of C++ and proclaiming Rust the uncontested winner!
You're using Java 17 for Android Development?
Android only supports up to Java 8, so all the pros of Java 16+ are irrelevant. Google leaders are going out of their way to replace Java on Android.
I use java 17 and kotlin in backend-services and can confirm, that java doesn't hold a candle to kotlin in terms of versatility, conciseness and joy of use.
what about Backend ? java or kotlin
Kotlin
@@CodyEngelCodes lol java is better for backend
@@pistarrafernandez9830
More secured. I think you should utilize both.
Java for now since a person or organization can use Java 9+ versions for backend web development. Currently Java version 17 is out.
Kotlin with gradle spring android
Kotlin it is then...
Kotlin all day every day.