JEP 329

GPTKB entity

Statements (358)
Predicate Object
gptkbp:instance_of gptkb:API
gptkb:Java_Enhancement_Proposal
gptkbp:addresses Memory management issues
gptkbp:aims_to Improve garbage collection performance
Graphics performance on mac OS
CPU overhead during rendering
gptkbp:approves March 2021
JCP Executive Committee
gptkbp:benefits Low-latency applications
Enhances pattern matching capabilities.
Facilitates cleaner and more maintainable code.
Reduces the risk of fall-through errors.
Better integration with mac OS graphics stack
gptkbp:collaborated_with Open source projects
Apple engineers
gptkbp:contains Release notes for JDK 15
gptkbp:contributed_to Performance improvements
Java FX performance on mac OS
gptkbp:created 2020-09-15
gptkbp:date 2021-09-14
gptkbp:developed_by gptkb:Java_community
gptkbp:discusses Discussed in the Open JDK mailing lists.
https://openjdk.java.net/jeps/329
gptkbp:end_date March 2018
gptkbp:enhances Frame rates in applications
Visual fidelity in applications
Rendering quality on mac OS
gptkbp:example var output = switch (input) { case 'yes' -> " Yes"; case 'no' -> " No"; default -> " Maybe"; }.
String message = switch (user Role) { case ADMIN -> " Admin access granted"; case USER -> " User access granted"; default -> " Access denied"; }.
var output = switch (status) { case ACTIVE -> " Active status"; case INACTIVE -> " Inactive status"; default -> " Unknown status"; }.
int value = switch (color) { case RED -> 1; case GREEN -> 2; case BLUE -> 3; }.
var output = switch (input) { case ' A' -> " Alpha"; case ' B' -> " Beta"; default -> " Other"; }.
String message = switch (status) { case SUCCESS -> " Operation successful"; case FAILURE -> " Operation failed"; }.
int result = switch (temperature) { case < 0 -> " Freezing"; case < 20 -> " Cold"; case < 30 -> " Warm"; default -> " Hot"; }.
int score = switch (level) { case EASY -> 1; case MEDIUM -> 2; case HARD -> 3; default -> 0; }.
int score = switch (grade) { case ' A' -> 4; case ' B' -> 3; case ' C' -> 2; default -> 0; }.
String response = switch (input) { case '1' -> " First"; case '2' -> " Second"; default -> " Unknown"; }.
String result = switch (input) { case 'yes' -> " Confirmed"; case 'no' -> " Denied"; default -> " Pending"; }.
int result = switch (day) { case MONDAY -> 1; case TUESDAY -> 2; default -> 0; }.
var output = switch (input) { case ' A' -> " A"; case ' B' -> " B"; default -> " Other"; }.
var output = switch (option) { case 1 -> " Option 1"; case 2 -> " Option 2"; default -> " Default Option"; }.
String result = switch (input) { case 'x' -> " X marks the spot"; case 'y' -> " Y not?"; default -> " Unknown input"; }.
var output = switch (day Of Week) { case MONDAY -> " Start of the week"; case FRIDAY -> " End of the week"; default -> " Midweek"; }.
int score = switch (grade) { case ' A' -> 90; case ' B' -> 80; case ' C' -> 70; default -> 0; }.
var output = switch (day) { case MONDAY -> " Monday"; case TUESDAY -> " Tuesday"; default -> " Other"; }.
int value = switch (input) { case 1 -> 10; case 2 -> 20; default -> 0; }.
String response = switch (input) { case ' A' -> " A selected"; case ' B' -> " B selected"; default -> " None selected"; }.
String response = switch (command) { case START -> start(); case STOP -> stop(); default -> unknown(); }.
String response = switch (input) { case '1' -> " One"; case '2' -> " Two"; default -> " Unknown"; }.
String result = switch (input) { case 'a' -> " Alpha"; case 'b' -> " Beta"; default -> " Unknown"; }.
var result = switch (input) { case 1, 2, 3 -> " Low"; case 4, 5, 6 -> " Medium"; default -> " High"; }.
String result = switch (input) { case 'x' -> " X"; case 'y' -> " Y"; default -> " Z"; }.
String message = switch (input) { case 'yes' -> " Yes"; case 'no' -> " No"; default -> " Unknown"; }.
String response = switch (input) { case ' A' -> " A"; case ' B' -> " B"; default -> " Other"; }.
String status Message = switch (status Code) { case 200 -> " OK"; case 404 -> " Not Found"; default -> " Error"; }.
String message = switch (weather) { case SUNNY -> " It's a sunny day"; case RAINY -> " It's raining"; default -> " Weather unknown"; }.
String message = switch (input) { case '1' -> " One"; case '2' -> " Two"; default -> " Unknown"; }.
int value = switch (input) { case 1 -> 100; case 2 -> 200; default -> 0; }.
gptkbp:facilitates Cross-platform development
gptkbp:features Security Updates
Performance Improvements
New Language Features
Deprecations
API Enhancements
gptkbp:first_published 2021-07-15
gptkbp:focuses_on Reducing pause times
Improving graphics rendering
https://www.w3.org/2000/01/rdf-schema#label JEP 329
gptkbp:impact Simplifies code that uses switch statements.
Improves performance of thread-local operations.
Class loading behavior in Java applications.
gptkbp:improves GPU utilization on mac OS
gptkbp:includes Enhancements
Bug fixes
New features
Better performance metrics
gptkbp:introduced gptkb:Java_12
gptkb:Java_14
gptkbp:is_adopted_by gptkb:chess_match
Startups
Enterprise applications
gptkbp:is_analyzed_in Research papers
Performance analysts
gptkbp:is_associated_with gptkb:software
gptkbp:is_cited_in Technical articles
Java documentation
gptkbp:is_compared_to Garbage-first garbage collector
Other garbage collection methods
gptkbp:is_compatible_with gptkb:Java_SE_17
gptkbp:is_described_as Introduces a new rendering pipeline for mac OS.
JDK 15 Release Notes
Java Enhancement Proposal documentation
Enhances the switch statement to allow it to be used as an expression.
A new garbage collection algorithm
This JEP proposes a mechanism for thread-local handlers.
JDK 17 Release Schedule
gptkbp:is_designed_for Developers targeting mac OS
gptkbp:is_discussed_in Online communities
Java user groups
Java forums
Java mailing lists
gptkbp:is_documented_in Java SE documentation
Java documentation
JDK Enhancement-Proposal document
Open JDK website
gptkbp:is_evaluated_by gptkb:Java_community
Performance metrics
Industry experts
gptkbp:is_expected_to Enhance user experience on mac OS
A significant upgrade for mac OS users.
gptkbp:is_explored_in Webinars
gptkbp:is_implemented_in gptkb:JDK_17
gptkb:JDK_15
gptkb:chess_match
gptkb:JVM
Implemented in the Java compiler.
Java runtime environment
Requires changes to the Java language specification.
gptkbp:is_influenced_by User feedback
Previous JE Ps
Garbage collection research
gptkbp:is_integrated_with gptkb:Java_Enhancement_Proposal
gptkbp:is_motivated_by Improve the performance of class loading.
gptkbp:is_optimized_for Metal API
gptkbp:is_part_of gptkb:Java_SE_Platform
gptkb:Java_Enhancement_Proposal
Java development process
Java 14 release
JDK 17 release
Java graphics improvements
Java graphics rendering strategy
gptkbp:is_promoted_by Java advocates
gptkbp:is_referenced_in Java tutorials
Subsequent JE Ps
gptkbp:is_related_to gptkb:JEP_411
gptkb:JEP_330
gptkb:JEP_360
gptkb:JEP_377
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_395
gptkb:JEP_396
gptkb:JEP_397
gptkb:JEP_398
gptkb:JEP_399
gptkb:JEP_400
gptkb:JEP_401
gptkb:JEP_402
gptkb:JEP_403
gptkb:JEP_404
gptkb:JEP_405
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
gptkbp:is_reviewed_by Java Community
Java community members
Java experts
Technical reviews
gptkbp:is_supported_by Multiple platforms
Java developers
mac OS Big Sur and later
gptkbp:is_tested_for Benchmarks
Java applications
Real-world scenarios
Java FX applications
Various mac OS hardware configurations
gptkbp:is_utilized_in gptkb:Cloud_Computing_Service
Software developers
gptkbp:key Improves readability and reduces boilerplate code.
Allows multiple case labels to be grouped together.
Allows the use of 'yield' to return a value.
Enables the use of the '->' syntax.
Supports returning a value from a switch expression.
gptkbp:latest_version 15.0.0
gptkbp:notable_recipients gptkb:Frank_Black
gptkb:Diana_Evans
gptkb:Jane_Smith
gptkb:Alice_Johnson
gptkb:Bob_Brown
gptkb:John_Doe
gptkb:Charlie_Davis
gptkb:Eve_White
gptkb:Grace_Green
gptkb:Tina_Gold
Paul Magenta
Ivy Red
Rita Indigo
Xena Steel
Nina Grey
Mona Pink
Leo Orange
Kathy Purple
Jack Yellow
Quinn Teal
Hank Blue
Oscar Cyan
Sam Violet
Uma Silver
Vera Bronze
Will Copper
Yara Wood
Zane Stone
gptkbp:plot_summary Introduces a mechanism for chaotic class loading.
Key changes in JDK 15
gptkbp:presented_by Conferences
gptkbp:proposed_by gptkb:Database_Management_System
gptkbp:published_by September 2020
gptkbp:reduces Rendering artifacts on mac OS
gptkbp:related_jeps gptkb:JEP_411
gptkb:JEP_361
gptkb:JEP_382
gptkb:JEP_384
gptkb:JEP_387
gptkb:JEP_391
gptkb:JEP_308
gptkbp:related_to gptkb:class
gptkb:Company
gptkb:video_game
gptkb:Java_SE_15
gptkbp:released gptkb:JDK_17
Included in JDK 17 release notes.
JDK 17 Release Notes
gptkbp:released_in JDK 17 release notes
gptkbp:replaced_by Existing pipeline for mac OS
gptkbp:reports_to https://bugs.openjdk.java.net/browse/ JDK-8251234
gptkbp:requires gptkb:JEP_220
gptkb:JEP_261
gptkb:JEP_290
JDK 17 or later
JDK 14 or later
gptkbp:status gptkb:Final
Standard Feature
Targeted for JDK 17
gptkbp:supports Advanced graphics features
Future mac OS updates
High-resolution displays on mac OS
gptkbp:targets gptkb:JDK_17
gptkb:JDK_12
gptkb:JDK_15
Java applications on mac OS
gptkbp:title gptkb:New_mac_OS_Rendering_Pipeline
gptkb:Switch_Expressions
Thread Local Handlers
Chaotic Garbage Collection
Chaotic Class Loading
gptkbp:user_reviews gptkb:Gilad_Bracha
gptkb:Brian_Goetz
gptkb:Venkat_Subramaniam
gptkb:Alex_Buckley
gptkb:Mark_Reinhold
gptkbp:uses gptkb:Apple's_Metal_framework
Used in modern Java programming.
gptkbp:bfsParent gptkb:JEP_317
gptkb:JEP_352
gptkb:JEP_405
gptkb:JEP_437
gptkb:JEP_462
gptkb:JEP_493
gptkbp:bfsLayer 5