JEP 405

GPTKB entity

Statements (679)
Predicate Object
gptkbp:instance_of gptkb:API
gptkb:Java_Enhancement_Proposal
gptkbp:bfsLayer 4
gptkbp:bfsParent gptkb:JEP_411
gptkb:JEP_384
gptkb:JEP_33
gptkb:JDK_15
gptkb:JDK_18
gptkb:JEP_488
gptkbp:addresses Performance bottlenecks
gptkbp:affects gptkb:Open_JDK_community
Java developers
gptkbp:aims_to Graphics performance
CPU usage
Type checking and casting
simplify pattern matching
release cadence
JDK development
Improve release management process
gptkbp:approves gptkb:chess_match
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:collaborations gptkb:Java_community
gptkbp:community_engagement Active.
gptkbp:community_impact Significant.
gptkbp:community_involvement Encouraged.
Encouraged community contributions.
gptkbp:community_support Strong community support.
Strong.
Strong support from Java developers.
gptkbp:contributed_to gptkb:Java_Enhancement_Proposal
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:design gptkb:benchmark
gptkb:Simplicity
Safety
Portability
Enhance type system expressiveness.
Simplicity, clarity, and expressiveness.
gptkbp:developed_by gptkb:Java_community
gptkbp:developer 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:durability Improves maintainability.
gptkbp:education Growing.
gptkbp:effective_date 2021-09-14
July 2020
gptkbp:ends_at September 2021
Record patterns enhance Java.
gptkbp:enhances gptkb: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:exemplifies Code readability
gptkbp:features Pattern Matching for instanceof.
Record patterns in switch expressions.
Pattern matching, records.
gptkbp:feedback Continuous.
Community feedback encouraged
Generally positive.
Positive.
Open JDK mailing lists.
Gathered from early adopters.
Open feedback channels.
Community feedback is welcomed.
Positive reception from the Java community.
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:future_plans Further enhancements to pattern matching.
Monitor usage and gather feedback.
Monitor usage.
Further enhancements in future JD Ks
Further enhancements based on feedback.
Potential enhancements to sealed types.
Monitor and evaluate usage.
Monitor and enhance.
gptkbp:governed_by Open JDK governance.
gptkbp:has_documentation Available on Open JDK website
Available on Open JDK website.
https://docs.oracle.com/javase/specs/jls/se15/html/jls-14.html#jls-14.14.1.
Includes examples of sealed interfaces.
gptkbp:has_version Introduced in JDK 17.
https://www.w3.org/2000/01/rdf-schema#label JEP 405
gptkbp:illustrator JDK release timelines
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: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 gptkb:JDK_17
gptkb:Java_15
gptkb:JDK_15
JDK Enhancement-Proposal process
gptkbp:is_a_framework_for JDK release planning
JDK feature planning
Frameworks need updates.
gptkbp:is_a_resource_for Available online tutorials.
gptkbp:is_a_tool_for Requires updates.
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 Backward compatible with existing Java code.
Backward compatible.
existing Java code
Backward compatible with existing serialization.
Existing Java applications
gptkbp:is_considered Future Java versions
gptkbp:is_described_as Online forums
Video tutorials
Java documentation
Pattern Matching for switch
Technical blogs
Enhances the Java programming language with record patterns.
Introduces a new rendering pipeline for mac OS.
Java enhancement proposals
record patterns
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.
JDK 17 Release Process
JDK 17 Release Management
Enhance the Java programming language with pattern matching for switch expressions and statements.
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:chess_match
Java SE documentation
JDK 15 Release Notes
Java SE release notes
Open JDK documentation
gptkbp:is_enhanced_by nan
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:software
gptkb:language
gptkb:Java_15_compiler
gptkb:Open_JDK_contributors
gptkb:Java_17
Implemented in the Java compiler.
Implemented in the Java language.
None significant.
Java.
Agile.
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 JE Ps
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_SE_Platform
gptkb:Java_SE_platform
gptkb:Java_SE_Development_Kit
gptkb:software_framework
gptkb:Java_SE_15
gptkb:Java_Enhancement_Proposal
Java language evolution
Java language features
Java ecosystem.
Java language specification
Java 17 release
Java SE 17 release
gptkbp:is_promoted_by Java advocates
Java educators
Java influencers
gptkbp:is_referenced_in Java developers
Programming books
Java documentation
Java tutorials
JDK release schedules
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 community projects
Java runtime environment
Java user groups
Java ID Es
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
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.
Record patterns simplify coding.
Sealed interfaces, permits, non-sealed.
gptkbp:language Similar to sealed classes in Kotlin.
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:members Amber Project.
gptkbp:notable_production No breaking changes.
gptkbp:notable_recipients gptkb:Jugoslav_Milinkovic
gptkb:Shenandoah
gptkb:Dan_Smith
gptkb:Alex_Buckley
gptkb:Maurizio_Cimadamore
gptkb:Jesse_Glick
gptkbp:official_language gptkb:Java_SE_17
gptkbp:origin Java language
gptkbp:outcome Improved code clarity.
gptkbp:performance Minimal.
Negligible.
Minimal impact on performance.
gptkbp:performed_by Encourages best practices in type design.
gptkbp:plot_summary Enhance the Java programming language with record patterns.
Introduces context-sensitive names to improve the readability of Java code.
https://openjdk.java.net/jeps/405.
Sealed interfaces provide a way to control type hierarchies.
gptkbp:produced_by Completed.
gptkbp:project Brian Goetz.
Completed in 2021.
Java SE.
Enhance Java language usability.
Make Java more intuitive.
gptkbp:proposed_by gptkb:Database_Management_System
gptkb:Open_JDK_Community
gptkb:Pattern_Matching_for_instanceof
gptkb:Brian_Goetz
gptkb:JDK_15
gptkb:chess_match
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_information_on JDK release process
JDK feature proposals
future JDK releases
gptkbp:published_by gptkb:API
Java magazines
gptkbp:published_year 2021-09-15
gptkbp:purpose Provide a mechanism to interact with native code and memory.
gptkbp:reader_demographic Improves readability.
gptkbp:receives_funding_from Supported by Oracle.
gptkbp:reduces Boilerplate code
gptkbp:regulatory_compliance Conforms to Java standards.
Conforms to the Java Language Specification.
Conforms to Java SE.
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
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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:released gptkb:JDK_17
gptkb:JDK_15
September 2021
Included in JDK 17 release notes.
gptkbp:replaced_by gptkb:chess_match
Java 2 D pipeline
gptkbp:requires mac OS 10.14 or later
JDK 15 or later
gptkbp:resulted_in community feedback
gptkbp:security_features None.
Mitigates risks associated with deserialization.
Enhances security by controlling type hierarchies.
gptkbp:specifies gptkb:Java_Language_Specification
Defines the syntax and semantics of sealed interfaces.
https://openjdk.java.net/jeps/405# Specification
gptkbp:sponsor Java developers.
Oracle, Open JDK community.
gptkbp:status gptkb:Final
gptkb:Preview
Proposed
gptkbp:succeeded_by Usage statistics.
Adoption and usage statistics.
Clear benefits to developers.
gptkbp:supports High-DPI displays
gptkbp:target_audience Java developers.
gptkbp:targets gptkb:JDK_17
gptkb:smartphone
gptkb:JDK_15
gptkbp:technology gptkb:DJ
gptkb:Native_Image
gptkb:JNI
JNR
Java Language Specification.
Java SE.
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_reviews gptkb:Brian_Goetz
gptkb:Alex_Buckley
gptkb:Mark_Reinhold
Various contributors
Well-received.
Jeppe Cramon.
Various members of the Open JDK community.
Community review.
gptkbp:uses Metal API
gptkbp:vision Enhance Java language features.
Enhance Java language.
gptkbp:was_a_response_to industry needs
gptkbp:wildlife Positive.
Positive impact.