gunferro.blogg.se - Openjdk 7 vs 8

#Openjdk 7 vs 8 update#
#Openjdk 7 vs 8 archive#
#Openjdk 7 vs 8 code#

Improved performance of contended object monitorsĮxtra space on thread stack for critical sections, mitigating the risk of a deadlock in locks in case of a stack overflow Thread-Local Handshakes to stop individual threads Improved GHASH and RSA performance by leveraging recently-introduced SPARC and Intel 圆4 CPU instructions Use Marlin Renderer in Java 2D as the default graphics rasterizer instead of Pisces Spin-Wait Hint ( Thread#onSpinWait) to optimize busy-waiting style loops Security Manager performance improvements

Improved intrinsics for sin, cos and log functions on AArch64 processors New internal macOS rendering pipeline that supports Apple’s new Metal Framework for the Java 2D API, replacing the old rendering pipeline that targets OpenGL which was deprecated by Apple in macOS 10.14 Store Interned Strings in Class-Data Sharing archives to reduce memory consumption

#Openjdk 7 vs 8 code#

Space-efficient, Compact Strings that stores Latin-1 only Strings more efficientlyĬode caches of profiled and non-profiled compiled code is separated, resulting in improved performance and memory footprint

#Openjdk 7 vs 8 archive#

Replace the existing ICU OpenType font-layout engine with HarfBuzzĮlastic metaspace to return unused HotSpot class-metadata memory to the operating system more promptlyįoreign-Memory Access API to safely and efficiently use off-heap memory ( Incubator 🥚)Įnable dynamic archiving of classes at the end of Java application executionĬlass-Data Sharing archive of the default class list is enabled by default to improve out-of-the-box startup timeĪpplication Class-Data Sharing to improve startup time and reduce footprint by sharing class metadata between Java processes.

#Openjdk 7 vs 8 update#

Update GStreamer included in JavaFX/Media to version 1.4.4 Replace Javadoc tags with annotations for Swing MultiResolutionImage that makes easy to retrieve a resolution-specific image for a DPIĮnable GTK 3 on Linux for JavaFX, Swing, and AWT ResourceBundle loads properties files in UTF-8 instead of ISO-8859-1ĭesktop features for all platforms like login/logout/lock event listener and task bar interactions and related APIs support currency type, time zone and more Unicode 10.0, adding roughly 27,000 characters, 10 blocks, and more than 30 scripts Update JDK’s XML parser, Xerces, to version 2.11.0 OASIS Standard XML Catalog API to manage external resources in XMLs in a secure and performant manner can be marked with forRemoval, which emits a new warning. New combinators and lookup methods for MethodHandleĮnhanced Deprecation policy. VarHandle API to replace the field and array related operations of and in order to and provide low-level access mechamisms, e.g.

process ID, arguments, CPU time, parent/child processes), enhance ProcessBuilder to aid the creation of process pipelines Process API provides more info and control (e.g. Stack-Walking API that allows laziness and stack-frame filtering System.Logger API providing a common mechanism to handle platform logs, allowing JDK platform classes to use the same logging framework as the application More options to transform ( dropWhile, takeWhile) and generate ( iterate, ofNullable) streams readonly collectors ( toUnmodifiableList) optionals can be transformed to streamsĪrrays.mismatch: find the first mismatching element between two arrays Time-based enhancements to CompletableFuture (timeout, delay) Reactive Streams publish-subscribe framework for asynchronous stream processing with non-blocking backpressure

HexFormat to encode and decode of hexadecimal strings.

, an interface that provides the current instant, an abstraction from that only focuses on the current instant and does not refer to the time zone Process::inputReader, Process::outputWritter, Process::errorReader to access the standard input, output and error streams of the process If you are curious about all the API level differences between Java 8 later versions, check the AdoptOpenJDK/jdk-api-diff on GitHub or the The Java Version Almanac. Let’s continue with the Java Standard Library, focusing on the new features that we can use in day-to-day coding.

No deprecation warnings on import statements.

JDK 9 (Milling Project on private instance methods Try-with-resources allows effectively final variables helloworld ĭiamond operator for anonymous inner classes