191–200 of 251 posts
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I would use records a lot more (pretty much everywhere) if I could easily derive new values from existing ones.
There are some funny ways to work with records. I can recommend this article: https://benjiweber.co.uk/blog/2020/09/19/fun-with-java-recor...
On its own, the features specifically for Java 17 aren't obviously that compelling, but the important thing is that Java 17 is an LTS, the last one of which was Java 11, 3 years ago. Since many organizations, including mine, stick to LTS releases, that means a lot of developers will get a big change in what they can do sometime in the next few months as they upgrade to the LTS. Among other things, this means that we…
I've compiled a Twitter thread with some of the key features new since Java 11 over the last few days: https://twitter.com/gunnarmorling/status/1434443970411704324 . Also includes some links to related blog posts. Perhaps interesting for some to get a quick overview what you'll get with 17 when coming from 11.
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And now it is the other way around. C# burning through the versions to catch up the versions (and not so much the content). PS: had to edit, was really just a note about the numbers not the content of the versions!!!
Catch up to what? The JDK 17 JEP list reads like a list of things that were added to dotnet years ago.
Java5 and Java8 were monumental changes to the language… this update probably will have the same legacy. Can’t wait to see the benchmarks out of this bad boy once they get the compilers tuned in.
elapsed secs
binarytrees,java16,7 2.478
binarytrees,java17,7 2.475
binarytrees,java16,3 4.644
binarytrees,java17,3 4.574
binarytrees,java16,2 4.765
binarytrees,java17,2 4.772
binarytrees,java16,6 4.608
binarytrees,java17,6 4.594
binarytrees,java16,4 4.733
binarytrees,java17,4 4.808
fannkuchredux,java16,2 45.438
fannkuchredux,java17,2 43.921
fannkuchredux,java16,1 10.644
fannkuchredux,java17,1 10.382
fannkuchredux,java16,3 41.432
fannkuchredux,java17,3 41.110
fasta,java16,5 1.302
fasta,java17,5 1.255
fasta,java16,2 4.473
fasta,java17,2 4.325
fasta,java16,6 1.209
fasta,java17,6 1.191
fasta,java16,4 3.164
fasta,java17,4 3.202
knucleotide,java16,5 18.224
knucleotide,java17,5 20.063
knucleotide,java16,3 7.383
knucleotide,java17,3 7.332
knucleotide,java16,6 7.447
knucleotide,java17,6 7.373
knucleotide,java16,4 36.777
knucleotide,java17,4 36.712
knucleotide,java16,1 4.979
knucleotide,java17,1 4.851
mandelbrot,java16,2 4.148
mandelbrot,java17,2 4.119
mandelbrot,java16,3 7.382
mandelbrot,java17,3 7.348
mandelbrot,java16,1 27.733
mandelbrot,java17,1 27.793
mandelbrot,java16,4 5.221
mandelbrot,java17,4 4.415
mandelbrot,java16,6 4.247
mandelbrot,java17,6 4.300
nbody,java16,3 7.410
nbody,java17,3 7.454
nbody,java16,2 7.459
nbody,java17,2 7.472
nbody,java16,5 7.006
nbody,java17,5 7.027
nbody,java16,1 7.823
nbody,java17,1 7.818
nbody,java16,4 6.739
nbody,java17,4 6.768
pidigits,java16,1 7.375
pidigits,java17,1 7.891
pidigits,java16,2 1.336
pidigits,java17,2 1.342
pidigits,java16,3 0.928
pidigits,java17,3 0.926
regexredux,java16,6 5.593
regexredux,java17,6 5.362
regexredux,java16,3 5.582
regexredux,java17,3 5.313
regexredux,java16,1 9.021
regexredux,java17,1 8.441
revcomp,java16,5 4.364
revcomp,java17,5 4.392
revcomp,java16,6 3.080
revcomp,java17,6 3.011
revcomp,java16,3 2.310
revcomp,java17,3 2.369
revcomp,java16,4 5.005
revcomp,java17,4 5.029
revcomp,java16,7 21.809
revcomp,java17,7 23.196
revcomp,java16,8 1.537
revcomp,java17,8 1.527
spectralnorm,java16,1 6.173
spectralnorm,java17,1 8.016
spectralnorm,java16,3 1.631
spectralnorm,java17,3 1.577
spectralnorm,java16,2 1.655
spectralnorm,java17,2 2.334I'm curious if it would be possible to remove null from Java. There's already support for Optional. I mean I guess a lot of code would stop compiling, or could it be deprecated somehow.
I've been out of the loop with the Java ecosystem, but has the transition from Java 8 to 11 completed where most of folks here work? I was also curious about large ecosystems like Hadoop and their moves from 8 to 11.
I've been interviewing lots of candidates recently, and i usually chat a bit about what versions they've used. Only one is using 11, the rest are on 8. One only finished migrating to 8 this year!
Reportedly, not much "big new stuff" got into this release (maybe next time), but it's an LTS so it's not the best time for that anyway.
The new FFM API looks really cool. Still incubating but having better native interop I think could really be a big win. Most developers will never touch that stuff but having the ability to manage native, off-heap memory and safely(ish) make native calls will be great.
Unless i rewrite the native parts in Rust, of course :).
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Kotlin does it, but it's next to useless because the ecosystem makes heavy use of null.
what? I don't feel it's "pointless" at all. Many popular Java libraries and frameworks (including Spring) use nullability annotations which can be interpreted correctly by Kotlin. It's true that I can't be 100% sure not to get NPEs, but I think it's close enough and I've rarely seen NPEs in Kotlin codebases.
I would like to ask a question, in order to elicit the detailed and considerate comment that HN is known for. It's not intended to inflammatory in any way shape or form! I am not a Java developer. I am one of those users who has a bad memory of using Java desktop apps in ~2001 where they ate a ton of ram, seemed horrendously slow, and had example "Hello Worlds" that are reminiscent of Enterprise FizzBuzz [1]. At some…
For a while, there were some nitty, edge case, "UFO" types of differences between OpenJDK and the Oracle JDK. But that's mostly been resolved. Oracle owns "Java", that is the name, the trademark, etc. In that sense, OpenJDK is "not" "Java". But operationally, this is moot. But it has impact in other areas. What was originally "Java Enterprise Edition" was transferred over to the Eclipse Foundation, but they couldn't…
That is quite a change, and probably not very backwards compatible?