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From Java 11 to Java 25 - new features in practical examples

Results 18 demos-java issues
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Create demo for Java 16 feature [JEP 357 - Migrate from Mercurial to Git](https://openjdk.org/jeps/357) --- Be sure you know and follow [contribution guide](https://github.com/AloisSeckar/demos-java/blob/master/CONTRIBUTING.md). Feel free to ask first when in...

enhancement
help wanted
good first issue
hacktoberfest

Create demo for Java 15 feature [JEP 379 - Shenandoah: A Low-Pause-Time Garbage Collector](https://openjdk.org/jeps/379) --- Be sure you know and follow [contribution guide](https://github.com/AloisSeckar/demos-java/blob/master/CONTRIBUTING.md). Feel free to ask first when in...

enhancement
help wanted
good first issue
hacktoberfest

After moving project from JDK 23 to JDK 25, you can now see warnings when running `mvn install` because of [JEP 498](https://openjdk.org/jeps/498): ``` WARNING: A terminally deprecated method in sun.misc.Unsafe...

documentation

The main implementation is already in [JEP 407](https://github.com/AloisSeckar/demos-java/blob/master/src/main/java/org/javademos/java17/jep407/RemoveRmiActivationDemo.java). For JEP 385, only a [linking class](https://github.com/AloisSeckar/demos-java/blob/master/src/main/java/org/javademos/java21/jep446/ScopedValuesDemo.java) pointing to JEP 407 should be added. --- **NOTE:** This is an **ADVANCED** task to...

enhancement
hacktoberfest
advanced

Implement demos for all new JEPs included in JDK 14 This issue works as a tracker for the respective tasks

enhancement
help wanted

Create demo for Java 16 feature [JEP 387 - Elastic Metaspace](https://openjdk.org/jeps/387) --- Be sure you know and follow [contribution guide](https://github.com/AloisSeckar/demos-java/blob/master/CONTRIBUTING.md). Feel free to ask first when in doubt to avoid...

enhancement
help wanted
good first issue
hacktoberfest

Follow-up to #295 and sybling task to #300 I have noticed, the history of "Shenandoah" garbage collector contains a number of somewhat connected JEPs spanning from `JEP 189` where it...

enhancement
hacktoberfest
advanced

Follow-up to #293 and sybling task to #301 I have noticed, the history of "ZGC" garbage collector contains a number of somewhat connected JEPs spanning from `JEP 333` where it...

enhancement
hacktoberfest
advanced

Create demo for Java 16 feature [JEP 369 - Migrate to GitHub](https://openjdk.org/jeps/369) --- Be sure you know and follow [contribution guide](https://github.com/AloisSeckar/demos-java/blob/master/CONTRIBUTING.md). Feel free to ask first when in doubt to...

enhancement
help wanted
good first issue
hacktoberfest

Create demo for Java 16 feature [JEP 376 - ZGC: Concurrent Thread-Stack Processing](https://openjdk.org/jeps/376) --- Be sure you know and follow [contribution guide](https://github.com/AloisSeckar/demos-java/blob/master/CONTRIBUTING.md). Feel free to ask first when in doubt...

enhancement
help wanted
good first issue
hacktoberfest