Statements (679)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:Java_2_Platform
gptkb:JEP |
| gptkbp:addresses |
Performance bottlenecks
|
| gptkbp:affects |
gptkb:Open_JDK_community
Java developers |
| gptkbp:aims_to |
simplify pattern matching
Improve release management process |
| gptkbp:aims_to_improve |
Graphics performance
CPU usage Type checking and casting release cadence JDK development |
| gptkbp:approves |
gptkb:Open_JDK
September 2021 JDK Project Lead JDK Release Committee |
| gptkbp:author |
gptkb:Brian_Goetz
gptkb:J._B._Rainsberger gptkb:Jeppe_Cramon |
| gptkbp:benefits |
None identified.
Simplifies code. Enhanced developer experience. Improves code maintainability. Reduces naming conflicts. Improves maintainability and readability of code. Allows for more predictable code behavior. Facilitates better API design. Increases type safety. Reduces the risk of unintended subclassing. Supports better tooling and IDE support. |
| gptkbp:challenges |
Cross-platform compatibility
Ensuring memory safety Performance trade-offs Managing native resources Requires changes to the Java language specification. |
| gptkbp:code |
Available in Open JDK repository.
|
| gptkbp:collaboration |
gptkb:Java_community
|
| gptkbp:community_engagement |
Active.
|
| gptkbp:community_feedback |
Positive.
Positive reception from the Java community. |
| gptkbp:community_impact |
Significant.
|
| gptkbp:community_involvement |
Encouraged.
Encouraged community contributions. |
| gptkbp:community_support |
Strong community support.
Strong. Strong support from Java developers. |
| gptkbp:comparison_to_other_languages |
Similar to sealed classes in Kotlin.
|
| gptkbp:compatibility |
Backward compatible with existing Java code.
Backward compatible. Backward compatible with existing serialization. |
| gptkbp:concluded_on |
September 2021
Record patterns enhance Java. |
| gptkbp:conformance |
Conforms to Java standards.
Conforms to the Java Language Specification. Conforms to Java SE. |
| gptkbp:contributes_to |
gptkb:Java_FX
Java language evolution Java 17 features |
| gptkbp:contribution |
Feedback from industry experts
Community contributions welcomed Follow Open JDK guidelines. Open for contributions from the community. Academic research input Open JDK contributions encouraged User testing feedback Contributes to the evolution of the Java language. Enhances pattern matching. |
| gptkbp:created |
2021-07-14
2021-09-15 2021-06-08 |
| gptkbp:date |
2021-09-15
|
| gptkbp:decided_by |
Accepted.
|
| gptkbp:dependency |
gptkb:JEP_411
gptkb:JEP_412 None. |
| gptkbp:describes |
Pattern Matching for switch
record patterns JDK 17 Release Process JDK 17 Release Management |
| gptkbp:description |
Enhances the Java programming language with record patterns.
Introduces a new rendering pipeline for mac OS. Introduces sealed classes and interfaces to restrict which classes can extend or implement them. Introduces sealed interfaces to restrict which classes can implement them. Provides a mechanism for context-specific deserialization. Enhance the Java programming language with pattern matching for switch expressions and statements. |
| gptkbp:design |
Simplicity, clarity, and expressiveness.
|
| gptkbp:design_purpose |
gptkb:performance
gptkb:Simplicity Safety Portability Enhance type system expressiveness. |
| gptkbp:developed_by |
gptkb:Java_community
|
| gptkbp:development |
Open JDK contributors.
|
| gptkbp:discusses |
https://mail.openjdk.java.net/pipermail/amber-spec-experts/2020-September/000123.html
Open JDK mailing list. Type patterns https://openjdk.java.net/jeps/405 |
| gptkbp:discussion_group |
Amber Project.
|
| gptkbp:education |
Growing.
|
| gptkbp:educational_resources |
Available online tutorials.
|
| gptkbp:effective_date |
2021-09-14
July 2020 |
| gptkbp:enhances |
gptkb:Java_programming_language
User experience Rendering quality Pattern matching capabilities Potential for more context-sensitive features. Potential for more sealed types. Java FX on mac OS |
| gptkbp:error_handling |
Improved error handling with sealed types.
|
| gptkbp:example |
Accessing native data structures
Used in various Java frameworks. Allocating native memory Calling a native function Using foreign links Using memory segments Using context-sensitive names in lambda expressions. Sealed interfaces can be used in pattern matching. Sealed classes can be used to define a restricted class hierarchy. Pattern matching in switch. |
| gptkbp:examples_in_documentation |
Includes examples of sealed interfaces.
|
| gptkbp:exemplifies |
Code readability
|
| gptkbp:features |
Pattern Matching for instanceof.
Record patterns in switch expressions. Pattern matching, records. |
| gptkbp:feedback |
Community feedback encouraged
Community feedback is welcomed. |
| gptkbp:feedback_mechanism |
Continuous.
Open JDK mailing lists. Open feedback channels. Open JDK mailing lists for feedback. |
| gptkbp:first_published |
2022-01-12
2023-10-01 2021-09-15 |
| gptkbp:first_released |
JDK 17 (Preview)
|
| gptkbp:funding |
Supported by Oracle.
|
| gptkbp:future_plans |
Monitor usage.
Monitor and evaluate usage. Monitor and enhance. Further enhancements in future JDKs |
| gptkbp:future_prospects |
Further enhancements to pattern matching.
Monitor usage and gather feedback. Further enhancements based on feedback. Potential enhancements to sealed types. |
| gptkbp:governance |
Open JDK governance.
|
| gptkbp:has_documentation |
Available on Open JDK website
Available on Open JDK website. |
| gptkbp:has_version |
Introduced in JDK 17.
|
| https://www.w3.org/2000/01/rdf-schema#label |
JEP 405
|
| gptkbp:impact |
Improves developer experience.
Language enhancement Conducted post-release. Changes how inheritance is handled in Java. Enhances the Java serialization mechanism. Allows for more controlled hierarchies. |
| gptkbp:impact_on_maintainability |
Improves maintainability.
|
| gptkbp:impact_on_readability |
Improves readability.
|
| gptkbp:impact_on_tooling |
Requires updates.
|
| gptkbp:implementation_methodology |
Agile.
|
| gptkbp:improves |
GPU utilization
Rendering quality type safety in Java Code safety Animation smoothness |
| gptkbp:includes |
new language features
Feature freeze dates Release cadence Release candidate phases release milestones |
| gptkbp:introduced |
JDK Enhancement-Proposal process
|
| gptkbp:introduced_in |
gptkb:JDK_17
gptkb:Java_15 gptkb:JDK_15 |
| gptkbp:involved_technology |
gptkb:Native_Image
gptkb:LLVM gptkb:JNI gptkb:Open_VMS JNR Java Language Specification. Java SE. |
| gptkbp:is_a_framework_for |
JDK release planning
JDK feature planning Frameworks need updates. |
| gptkbp:is_a_guide_for |
JDK feature proposals
future JDK releases |
| gptkbp:is_a_part_of_the_jdk_enhancement_process |
nan
|
| gptkbp:is_a_reference_for |
JDK release schedules
|
| gptkbp:is_adopted_by |
gptkb:Java_frameworks
gptkb:Open_JDK_contributors Software companies enterprise applications open-source projects software companies Tech startups Open source projects Java developers High. Widely adopted. Adopted in JDK 17. High adoption rate in new projects. Learning curve for developers. Developers targeting mac OS. Encouraged for use in secure applications. |
| gptkbp:is_aligned_with |
Java's long-term vision
|
| gptkbp:is_analyzed_in |
Software developers
Software engineering studies |
| gptkbp:is_associated_with |
gptkb:Java_SE_17
|
| gptkbp:is_cited_in |
Technical articles
Java development guides Java research papers Java language specifications |
| gptkbp:is_compared_to |
Previous instanceof usage
|
| gptkbp:is_compatible_with |
existing Java code
Existing Java applications |
| gptkbp:is_considered |
Future Java versions
|
| gptkbp:is_described_as |
Online forums
Video tutorials Java documentation Technical blogs Java enhancement proposals |
| gptkbp:is_discussed_in |
gptkb:Java_conferences
Online courses Developer meetups Java blogs Java community forums Java forums Open JDK mailing lists Technical podcasts |
| gptkbp:is_documented_in |
gptkb:Open_JDK
Java SE documentation JDK 15 Release Notes Java SE release notes Open JDK documentation |
| gptkbp:is_essential_for |
Java ecosystem stability
|
| gptkbp:is_evaluated_by |
Industry analysts
Code reviews Technical reviewers Java developers community Code quality analysts |
| gptkbp:is_explored_in |
gptkb:Workshops
Research papers Java tutorials Java workshops Technical discussions |
| gptkbp:is_implemented_in |
gptkb:JDK_17
gptkb:Java_FX_17 gptkb:Java_programming_language gptkb:Java_15_compiler gptkb:Open_JDK_contributors gptkb:Java_17 gptkb:Java_Development_Kit_(JDK) Implemented in the Java compiler. Implemented in the Java language. None significant. Java. Detailed in the proposal. Completed. JDK 15 implementation Part of the Java language. Experimental API Complexity in name resolution. Described in the JEP document. Proposed implementation in the JDK. Java FX team Part of the JDK 15 release. Part of the JDK 15. Examples provided in the proposal. Addressed challenges in type safety. Detailed notes on implementation. |
| gptkbp:is_influenced_by |
User feedback
modern programming languages functional programming paradigms Functional programming paradigms previous JEPs |
| gptkbp:is_integrated_with |
gptkb:Java_libraries
Cloud services Development tools |
| gptkbp:is_motivated_by |
To reduce ambiguity in naming and improve code clarity.
Enhance the expressiveness of the type system. Improve security and flexibility in deserialization. Improve the expressiveness of the type system. |
| gptkbp:is_part_of |
gptkb:Java_Community_Process
gptkb:Java_SE_Platform gptkb:Java_2_Platform gptkb:Java_SE_platform gptkb:Java_SE_Development_Kit gptkb:Java_ecosystem gptkb:Java_SE_15 Java language evolution Java language features Java ecosystem. Java language specification Java 17 release Java SE 17 release |
| gptkbp:is_practiced_in |
Encourages best practices in type design.
|
| gptkbp:is_promoted_by |
Java advocates
Java educators Java influencers |
| gptkbp:is_referenced_in |
Java developers
Programming books Java documentation Java tutorials |
| gptkbp:is_related_to |
gptkb:JEP_317
gptkb:JEP_318 gptkb:JEP_321 gptkb:JEP_330 gptkb:JEP_332 gptkb:JEP_333 gptkb:JEP_334 gptkb:JEP_335 gptkb:JEP_336 gptkb:JEP_337 gptkb:JEP_338 gptkb:JEP_339 gptkb:JEP_340 gptkb:JEP_341 gptkb:JEP_342 gptkb:JEP_343 gptkb:JEP_344 gptkb:JEP_345 gptkb:JEP_346 gptkb:JEP_347 gptkb:JEP_348 gptkb:JEP_349 gptkb:JEP_350 gptkb:JEP_351 gptkb:JEP_352 gptkb:JEP_353 gptkb:JEP_354 gptkb:JEP_355 gptkb:JEP_356 gptkb:JEP_357 gptkb:JEP_358 gptkb:JEP_359 gptkb:JEP_360 gptkb:JEP_361 gptkb:JEP_362 gptkb:JEP_363 gptkb:JEP_364 gptkb:JEP_365 gptkb:JEP_366 gptkb:JEP_367 gptkb:JEP_368 gptkb:JEP_369 gptkb:JEP_370 gptkb:JEP_371 gptkb:JEP_372 gptkb:JEP_373 gptkb:JEP_374 gptkb:JEP_375 gptkb:JEP_376 gptkb:JEP_377 gptkb:JEP_378 gptkb:JEP_379 gptkb:JEP_380 gptkb:JEP_381 gptkb:JEP_382 gptkb:JEP_383 gptkb:JEP_384 gptkb:JEP_385 gptkb:JEP_386 gptkb:JEP_387 gptkb:JEP_388 gptkb:JEP_389 gptkb:JEP_390 gptkb:JEP_391 gptkb:JEP_392 gptkb:JEP_393 gptkb:JEP_394 gptkb:JEP_300 gptkb:JEP_301 gptkb:JEP_302 gptkb:JEP_303 gptkb:JEP_304 gptkb:JEP_305 gptkb:JEP_306 gptkb:JEP_307 gptkb:JEP_308 gptkb:JEP_309 gptkb:JEP_310 gptkb:JEP_311 gptkb:JEP_312 gptkb:JEP_313 gptkb:JEP_314 gptkb:JEP_315 gptkb:JEP_316 gptkb:JEP_319 gptkb:JEP_320 gptkb:JEP_322 gptkb:JEP_323 gptkb:JEP_324 gptkb:JEP_325 gptkb:JEP_326 gptkb:JEP_327 gptkb:JEP_328 gptkb:JEP_329 gptkb:JEP_331 gptkb:JEP_406 pattern matching Graphics rendering |
| gptkbp:is_reviewed_by |
gptkb:Java_community
JDK Review Board Java experts Approved. Java developers community JEP committee |
| gptkbp:is_standardized_by |
JDK release processes
|
| gptkbp:is_supported_by |
gptkb:Apple's_Metal_framework
Java IDEs Java community projects Java runtime environment Java user groups Java certification programs Java standards organizations JDK 15 and later |
| gptkbp:is_tested_for |
Quality assurance teams
unit testing frameworks Development environments integration testing tools Java testing frameworks Extensive test coverage. Various mac OS devices Beta versions of JDK 15 JDK 15 builds |
| gptkbp:is_used_in |
data processing applications
|
| gptkbp:is_utilized_in |
Web applications
Mobile applications software development lifecycle web development Enterprise applications cloud computing applications |
| gptkbp:key |
gptkb:Java_SE_17
Record patterns simplify coding. |
| gptkbp:key_feature |
Foreign function calls
Memory access API Safety and performance improvements Enhances pattern matching capabilities. Context-sensitive name resolution. Context-specific deserialization. Sealed classes allow control over class hierarchies. Provides better maintainability and readability. Sealed interfaces, permits, non-sealed. |
| gptkbp:language_version |
gptkb:Java_SE_17
|
| gptkbp:latest_version |
gptkb:JDK_17
1.0 Expected in future JDK versions. |
| gptkbp:legacy |
Influence on future Java enhancements.
|
| gptkbp:library |
Libraries can leverage sealed interfaces.
Library support needed. |
| gptkbp:material |
Technical documentation.
|
| gptkbp:notable_contributor |
gptkb:Jugoslav_Milinkovic
gptkb:Shenandoah gptkb:Dan_Smith gptkb:Alex_Buckley gptkb:Maurizio_Cimadamore gptkb:Jesse_Glick |
| gptkbp:notable_production |
No breaking changes.
|
| gptkbp:originated_in |
Java language
|
| gptkbp:outcome |
Improved code clarity.
|
| gptkbp:outlines |
JDK release timelines
|
| gptkbp:performance |
Minimal.
Negligible. Minimal impact on performance. |
| gptkbp:plot_summary |
Enhance the Java programming language with record patterns.
Introduces context-sensitive names to improve the readability of Java code. Sealed interfaces provide a way to control type hierarchies. |
| gptkbp:production_status |
Completed.
|
| gptkbp:project |
Brian Goetz.
Completed in 2021. Java SE. Enhance Java language usability. Make Java more intuitive. |
| gptkbp:proposed_by |
gptkb:Open_JDK_Community
gptkb:Pattern_Matching_for_instanceof gptkb:Brian_Goetz gptkb:Oracle gptkb:JDK_15 gptkb:Open_JDK Brian Goetz. JDK Project JDK 17 Release Candidate 2 |
| gptkbp:provides |
New syntax for instanceof
a new syntax for destructuring data Better integration with mac OS features. Clear guidelines for release management |
| gptkbp:provides_guidance_on |
JDK release process
|
| gptkbp:publication_year |
2021-09-15
|
| gptkbp:published_by |
gptkb:JEP
Java magazines |
| gptkbp:purpose |
Provide a mechanism to interact with native code and memory.
|
| gptkbp:reduces |
Boilerplate code
|
| gptkbp:related_concept |
Interfaces
Pattern Matching Abstract Classes Java Language Features ISO/ IEC 23270. Java SE standards. Type Hierarchies Aligns with modern programming practices. |
| gptkbp:related_jeps |
gptkb:JEP_411
gptkb:JEP_338 gptkb:JEP_384 gptkb:JEP_394 gptkb:JEP_290 gptkb:JEP_406 gptkb:JEP_407 gptkb:JEP_408 gptkb:JEP_409 gptkb:JEP_410 gptkb:JEP_412 gptkb:JEP_413 gptkb:JEP_414 gptkb:JEP_415 gptkb:JEP_416 gptkb:JEP_417 gptkb:JEP_418 gptkb:JEP_419 gptkb:JEP_420 gptkb:JEP_421 gptkb:JEP_422 gptkb:JEP_423 gptkb:JEP_424 gptkb:JEP_425 gptkb:JEP_426 gptkb:JEP_427 gptkb:JEP_428 gptkb:JEP_429 gptkb:JEP_430 gptkb:JEP_431 gptkb:JEP_432 gptkb:JEP_433 gptkb:JEP_434 gptkb:JEP_435 gptkb:JEP_436 gptkb:JEP_437 gptkb:JEP_438 gptkb:JEP_439 gptkb:JEP_440 gptkb:JEP_441 gptkb:JEP_442 gptkb:JEP_443 gptkb:JEP_444 gptkb:JEP_445 gptkb:JEP_446 gptkb:JEP_447 gptkb:JEP_448 gptkb:JEP_449 gptkb:JEP_450 gptkb:JEP_451 gptkb:JEP_452 gptkb:JEP_453 gptkb:JEP_454 gptkb:JEP_455 gptkb:JEP_456 gptkb:JEP_457 gptkb:JEP_458 gptkb:JEP_459 gptkb:JEP_460 gptkb:JEP_461 gptkb:JEP_462 gptkb:JEP_463 gptkb:JEP_464 gptkb:JEP_465 gptkb:JEP_466 gptkb:JEP_467 gptkb:JEP_468 gptkb:JEP_469 gptkb:JEP_470 gptkb:JEP_471 gptkb:JEP_472 gptkb:JEP_473 gptkb:JEP_474 gptkb:JEP_475 gptkb:JEP_476 gptkb:JEP_477 gptkb:JEP_478 gptkb:JEP_479 gptkb:JEP_480 gptkb:JEP_481 gptkb:JEP_482 gptkb:JEP_483 gptkb:JEP_484 gptkb:JEP_485 gptkb:JEP_486 gptkb:JEP_487 gptkb:JEP_488 gptkb:JEP_489 gptkb:JEP_490 gptkb:JEP_491 gptkb:JEP_492 gptkb:JEP_493 gptkb:JEP_494 gptkb:JEP_495 gptkb:JEP_496 gptkb:JEP_497 gptkb:JEP_498 gptkb:JEP_499 gptkb:JEP_500 JEP 394. JEP 392. JEP 394, JEP 411. JEP 406, JEP 409. |
| gptkbp:related_to |
gptkb:JEP_386
gptkb:JEP_394 gptkb:JEP_406 |
| gptkbp:release_date |
September 2020
September 2021 September 2021. |
| gptkbp:release_notes |
Included in JDK 17 release notes.
|
| gptkbp:released |
gptkb:JDK_17
gptkb:JDK_15 September 2021 |
| gptkbp:replaces |
gptkb:Open_GL
Java 2 D pipeline |
| gptkbp:requires |
mac OS 10.14 or later
JDK 15 or later |
| gptkbp:reviews |
gptkb:Brian_Goetz
gptkb:Alex_Buckley gptkb:Mark_Reinhold Various contributors Jeppe Cramon. Various members of the Open JDK community. Community review. |
| gptkbp:security |
None.
Mitigates risks associated with deserialization. Enhances security by controlling type hierarchies. |
| gptkbp:specification |
gptkb:Java_Language_Specification
Defines the syntax and semantics of sealed interfaces. https://openjdk.java.net/jeps/405# Specification https://docs.oracle.com/javase/specs/jls/se15/html/jls-14.html#jls-14.14.1. |
| gptkbp:stakeholders |
Java developers.
Oracle, Open JDK community. |
| gptkbp:status |
gptkb:Final
gptkb:Preview Proposed |
| gptkbp:success |
Clear benefits to developers.
|
| gptkbp:success_rate |
Usage statistics.
Adoption and usage statistics. |
| gptkbp:summary_link |
https://openjdk.java.net/jeps/405.
|
| gptkbp:supports |
High-DPI displays
|
| gptkbp:target_audience |
Java developers.
|
| gptkbp:target_jdk |
gptkb:JDK_17
gptkb:JDK_15 |
| gptkbp:targets |
gptkb:mac_OS
|
| gptkbp:title |
gptkb:Foreign_Function_&_Memory_API_(preview)
gptkb:Pattern_Matching_for_switch_(Preview) gptkb:Record_Patterns gptkb:New_mac_OS_Rendering_Pipeline Sealed Classes (Preview) Sealed Interfaces New mac OS rendering pipeline Context-Sensitive Names Context-Specific Deserialization (Preview) |
| gptkbp:tutorials |
Documentation available on Open JDK.
|
| gptkbp:updates |
2021-09-15
|
| gptkbp:use_case |
Interfacing with C libraries
Memory-mapped files Data classes. Native data structures Improving readability in large codebases. Secure deserialization in applications. Frameworks and libraries that require controlled extension. |
| gptkbp:user_base |
Java developers worldwide.
|
| gptkbp:user_experience |
Enhanced user experience.
|
| gptkbp:user_feedback |
Generally positive.
Gathered from early adopters. |
| gptkbp:user_reviews |
Well-received.
|
| gptkbp:uses |
Metal API
|
| gptkbp:vision |
Enhance Java language features.
Enhance Java language. |
| gptkbp:was_a_response_to |
industry needs
|
| gptkbp:was_a_result_of |
community feedback
|
| gptkbp:wildlife |
Positive.
Positive impact. |
| gptkbp:bfsParent |
gptkb:JEP_33
gptkb:JDK_15 gptkb:JDK_18 gptkb:JEP_488 |
| gptkbp:bfsLayer |
5
|