Modern Java - Top Features of Java 9 to 17

In this episode we're going through the most interesting features added to the language in the last few years - between Java 9 released in 2017 and Java 17 released in September 2021.

00:00 Enhanced Switch
03:11 New instanceof
05:13 Type Inference (var)
06:50 Records
10:13 Text Blocks
11:32 Sealed Classes
16:06 of for Collections
17:16 Meaningful NullPointerException

[jmwild]

Great summary. I decided to jump from 8 to 17 and this is a great highlight reel of features I am happy to see (except maybe "var"). Another feature I love now is how easy it is to read and write text files using Files.readString() and Files.writeString().

[leonardoamorimramos]

Great content Kamil! I really appreciate your highlights. Thank you!

[vladimirljubopytnov]

You ignore the most important feature, of the switch... it can be an expression and you can return a value. Why repeat the System.out.println() 4 times, when you can simply return the club and print it using one println call? Everyone seems to be obsessed about doing their side effects everywhere... Method is easier to test when you return a value.

[SatheeshManimekalai]

Clarity in your content is really appreciable. You saved my day and thanks a bunch.

[gennadiisitnikov]

Great! Simple explanation and demonstrative examples. Thanks a lot!

[francksgenlecroyant]

Another man is subscribing to this channel! It's pretty awesome! Thank you for sharing!

[yamibakura]

Clear & concise, thankyou for making this video

[DDVrns]

Great video! We need more Java videos like this, very easy to digest and helps with interviews for example (Just had a couple of interviews with new feature questions). Subbed and hoping to see more. Keep it up!

[CaseStudy-bxtl]

Very Helpful video for revising the concept in a short time thanks man!!

[trannam]

Very imformative video. Thank you so much!

[pranavmahajan]

Recently switched to Jave 17. This is a great video. Thanks so much

[ybendek]

wow man, awesome summary... I'm starting a new migration for a big project from java7... and now I need to know more about new features...thanks ;)

[rohitgupta]

Thank you for simple and easy presentation

[tanmayshukla]

That was really amazing man!
You earned a like and subscribe!

[ayushgupta]

Awesome content!! Sealed class concept is really interesting.

[danieldias]

Great video!

I recently saw a meme praising Java 19 (I think), and was surprised to see what the fuss was all about.
Not surprised to know that most of these features are already built in Kotlin.

[eric-wubbolameijer]

As a concrete example where var is very handy: Spring! context = new Saves copy-pasting (or worse, retyping) the class name!

[faisalbehram]

Appreciated... Learn alot from this video thank you

[haajiraaliyar]

Useful Information on java 17.!!Excellent.

[nakulkumar]

Great video. I guess you forgot to mention that when creating collections using of method the collections created are immutable. Also for set there must be no duplicates.