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Copy file name to clipboardExpand all lines: app/pages/future/innovation/index.md
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## Amber
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The goal of Project Amber is to explore and incubate smaller, productivity-oriented Java language features that have been accepted as candidate JEPs under the [OpenJDK JEP process](https://openjdk.java.net/jeps/1). This Project is sponsored by the [Compiler Group](https://openjdk.java.net/groups/compiler/).
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The goal of Project Amber is to explore and incubate smaller, productivity-oriented Java language features that have been accepted as candidate JEPs under [JDK Enhancement-Proposal & Roadmap Process](jep:1). This Project is sponsored by the [Compiler Group](https://openjdk.org/groups/compiler/).
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Most Project Amber features go through at least one round of Preview before becoming an official part of Java SE. See [JEP 12](https://openjdk.java.net/jeps/12) for an explanation of the Preview process, and [our tutorial](id:new_features.using_preview) on how to use preview features. For a given feature, there are separate JEPs for each round of preview and for final standardization.
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Most Project Amber features go through at least one round of Preview before becoming an official part of Java SE. See [Preview Features](jep:12) for an explanation of the Preview process, and [our tutorial](id:new_features.using_preview) on how to use preview features. For a given feature, there are separate JEPs for each round of preview and for final standardization.
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Learn more at Project Amber's [Wiki](https://openjdk.java.net/projects/amber/), as well as Inside.java's [Amber page](https://inside.java/tag/amber).
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Learn more at Project Amber's [Wiki](https://openjdk.org/projects/amber/), as well as Inside.java's [Amber page](https://inside.java/tag/amber).
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## Loom
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This OpenJDK project is sponsored by the HotSpot Group.
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Learn more at Project Loom's [Wiki](https://wiki.openjdk.java.net/display/loom/Main), as well as Inside.java's [Loom page](https://inside.java/tag/loom).
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Learn more at Project Loom's [Wiki](https://wiki.openjdk.org/display/loom/Main), as well as Inside.java's [Loom page](https://inside.java/tag/loom).
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## Panama
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* tooling or wrapper interposition for safety
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* exploratory work with difficult-to-integrate native libraries
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Learn more at Project Panama's [Wiki](https://openjdk.java.net/projects/panama/), as well as Inside.java's [Panama page](https://inside.java/tag/panama).
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Learn more at Project Panama's [Wiki](https://openjdk.org/projects/panama/), as well as Inside.java's [Panama page](https://inside.java/tag/panama).
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## Valhalla
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A number of people describe Valhalla recently as being "primarily about performance". While it is understandable why people might come to that conclusion -- many of the motivations for Valhalla are, in fact, rooted in performance considerations -- this characterization misses something very important. Yes, performance is an important part of the story -- but so are safety, abstraction, encapsulation, expressiveness, maintainability, and compatible library evolution.
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Learn more at the Valhalla Project [Wiki](https://wiki.openjdk.java.net/display/valhalla/Main), as well as Inside.java's [Valhalla page](https://inside.java/tag/valhalla).
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Learn more at the Valhalla Project [Wiki](https://wiki.openjdk.org/display/valhalla/Main), as well as Inside.java's [Valhalla page](https://inside.java/tag/valhalla).
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## ZGC
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At its core, ZGC is a concurrent garbage collector, meaning all heavy lifting work is done while Java threads continue to execute. This greatly limits the impact garbage collection will have on your application's response time.
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Learn more at the ZGC [Wiki](https://wiki.openjdk.java.net/display/zgc/Main), as well as Inside.java's [GC page](https://inside.java/tag/gc).
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Learn more at the ZGC [Wiki](https://wiki.openjdk.org/display/zgc/Main), as well as Inside.java's [GC page](https://inside.java/tag/gc).
Copy file name to clipboardExpand all lines: app/pages/learn/01_tutorial/03_getting-to-know-the-language/03_refactoring_to_functional_style/03_converting_foreach_with_if.md
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For the functional style, the `filter` method of `Stream` becomes a direct replacement of the imperative style `if`. The `filter` method will allow an element in the collection to pass through to the next stage in the functional pipeline if the predicate, passed in as a lambda, to the `filter()` method evaluates to `true`; otherwise, the value is discarded from further processing.
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Let's conver the previous code to functional style:
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Let's convert the previous code to functional style:
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```java
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publicvoid compareDayOfWeek(DayOfWeek dayOfWeek){
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int comparison = dayOfWeek.compareTo(DayOfWeek.WEDNESDAY);
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if (comparison <0) {
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if (comparison <0) {
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System.out.println("It's before the middle of the work week.");
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} elseif(comparison >0){
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} elseif(comparison >0){
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System.out.println("It's after the middle of the work week.");
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} else {
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System.out.println("It's the middle of the work week.");
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<aid="conclusion"> </a>
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## Conclusion
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Enums provide a simple and safe way of representing a fixed set of constants while keeping most of the flexibilities of classes. They are a special type of class that can be used to write code that is elegant, readable, and maintainable, and work well with other newer modern features like [Switch Expressions](id:lang.classes-objects.switch-expression). Another special class is the Record class introduced in Java 19. Visit our [Records tutorial](id:lang.records) to learn more.
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Enums provide a simple and safe way of representing a fixed set of constants while keeping most of the flexibilities of classes. They are a special type of class that can be used to write code that is elegant, readable, maintainable and works well with other modern Java features like [switch expressions](id:lang.classes-objects.switch-expression). Another special class is the Record class introduced in JDK 16. Visit our [records tutorial](id:lang.records) to learn more.
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To learn more about enums, visit the [`java.lang.Enum`](javadoc:Enum) javadoc.
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