JDK 8u251 Release Notes 4. With Java 9 that distinction was basically gone, and you are always downloading a JDK. So, Java 8 can also be called 1.8, Java 5 can be called 1.5 etc. Java 8 - Merging Two … This serves as a good base. P.S … (In case you are wondering, GUI installers like the one from Oracle or AdoptOpenJDK will do the unzipping and modifying the PATH variable for you, that’s about it.). UPDATE: Dávid Csákvári also wrote a similar article for new features between Java 8 and Java 15, a more detailed one, with a lot of useful examples. Feedback, corrections and random input is always welcome! Java 14 vs 13 Feature of Java 14: JEPs proposed to target JDK 14. Multi-Release .jar files made it possible to have one .jar file which contains different classes for different JVM versions. 1. The final switch expression in Java 14 kept the yield approach previewed in Java 13. You will find a complete list of OpenJDK builds at the OpenJDK Wikipedia site. This is usually done by applications and libraries that want to inject classes into the classpath at runtime. Since version 9, Java has new features every 6 months and it’s very hard to keep track of these new changes. Simply leave a comment down below. In terms of Java source code (read: the source code for your JRE/JDK), there is only one, living at the OpenJDK project site. Modularity allows for you to split your applications into different modules, but also changes how java handles its API internally. That’s why in practice, there’s a handful of vendors that actually create these builds, get them certified (see TCK) and then distribute them. Key Differences between Java 8 and Java 9. Java 9 got the Jigsaw Module System, which somewhat resembles the good old OSGI specification. Some legacy projects are even stuck on Java 1.5 (released 2004) or 1.6 (released 2006) - sorry, pals! Among them are Azul Zulu, Amazon Corretto as well as SapMachine, to name a few. To oversimplify it boils down to you having different support options/maintenance guarantees. The Concurrent Mark Sweep (CMS) Garbage Collector has been removed, and the experimental Z Garbage Collector collector has been added. For releases after Java SE 8, Oracle Java SE product releases not designated as LTS releases will be maintained until the subsequent release. Again, this is just a quick overview of Java 9 features and if you want more thorough explanations and exercises, have a look at the Java 9 core features course. Note that I didn’t include all the new features and API additions, only those that are most useful, to keep the list brief. This is however not really an issue, which you’ll learn about in the Java Distributions section of this guide. With a module-info file, you can manage access on what parts of your code is public facing. The class loader hierarchy has changed in Java 11. With Java 9, Java got its own, modern client - although in preview mode, which means subject to change in later Java versions. Java 8 – Join String Array – Convert Array to String; Java 8 Optionals : Complete Reference; Java Base64 Encoding and Decoding Examples ; Java 8 – Read file line by line; Java Exact Arithmetic Operations Support in Math Class; Java String join (CSV) example; Java 8 Comparator example with lambda; Java 8 Stream API; Java – Internal vs. As an application developer, this can be quite overwhelming. The 6-month release cycle means a lot less features, per release, so you can catch up quickly on Java 9-14 language features. Following is the comparison table between Java vs JavaScript: Basis of Comparison: Java: JavaScript: OOPS: Java is an object-oriented programming language which uses objects to perform any actions based on relations between objects. They provide free, rock-solid OpenJDK builds with longer availibility/updates and even offer you the choice of two different Java virtual machines: HotSpot and OpenJ9. In most cases, code running on the classpath will continue to run on Java 9 and later where modules are completely ignored.This is terriblefor library authors, but great for application developers. To the developer, however, there will be a significant difference between Java 8 vs. Java 9 performance in creating those software solutions. See Oracle Java SE Roadmap. updates to versions and a telephone number you can call if your JVM goes crazy. These builds are free and unbranded, but Oracle won’t release updates for older versions, say Java 15, as soon as Java 16 comes out. Now there’s one question left: Where do you get that Java .zip file from? First, let’s have a look at some common, practical questions that people have when trying to choose the right Java version for their project. JDK 7u261 Release Notes The HttpClient from Java 9 in its final, non-preview version. Running Platform: Java applications and programs run in JVM (Java … If you are making sure to use the very latest IDEs, frameworks and build tools and starting a greenfield project, you can, without hesitation, use Java 11 (LTS) or even the latest Java 15. 10 new scripts, including Adlam, Newa, Tangut, and Zanabazar Squar 2. Very useful If you’re thinking about migrating to a specific Java version. You can use this guide to get practical information on how to find and install the latest Java, understand the differences between Java distributions (AdoptOpenJdk, OpenJDK, OracleJDK etc. JDK 14. This means that your Java 5 or 8 program is guaranteed to run with a Java 8-14 virtual machine - with a few exceptions you don’t need to worry about for now. The directory structure of JDKs also changed, with not having an explicit JRE folder anymore. So your program can behave differently/have different classes used when run on Java 8 vs. Java 10, for example. Java 8 How to sort a Map. So my advice is to ignore modules as much as you can when upgrading to Java … CLI) utilities they deem useful. When you issued the 'java -version' command, with these versions you got output like this: Which simply means Java 8. Java 12 got a couple new features and clean-ups, but the only ones worth mentioning here are Unicode 11 support and a preview of the new switch expression, which you will see covered in the next section. Java is special in this regard, as it is extremely backwards compatible. If you want to learn more about a specific version, go to the AdoptOpenJDKsite, choose the latest Java version, download, and install it. The cookie settings on this website are set to "allow cookies" to give you the best browsing experience possible. There’s a variety of sites offering Java (read: JDK) downloads and it is unclear "who offers what and with which licensing". Save my name, email, and website in this browser for the next time I comment. I'll send you an update whenever I publish a new guide. @since 1.8 tag values. Check back soon. java.vm.version system property. Switch expressions simplify coding by extending switch so that it can be used as either a statement … Granted, the details of Java 8 vs. Java 9 may not be of huge interest to the business looking for the best software solutions to meet its needs. Will be covered here, as soon as they are getting released. Factory Pattern Using Java 8 Lambda Expressions. Have a look at the Java Features 8-14 section. There are major enhancement made in Java5, Java6, Java7 and Java8 like auto-boxing, generics, var-args, java annotations, enum, premain method, lambda expressions, functional interface, method references etc. Unsubscribe anytime. Most of the interviewers ask questions from this chapter. But other than that, the original source code is the same for all Java distributions. NUMA-Aware Memory Allocation for G1; JFR Event Streaming Java >=9, certain build tools print out "reflective access"-warnings when building Java projects, which simply "feels not ready", even though the builds are fine. But make sure to check out the individual websites to learn about the advantages of each single distribution. Even today, with e.g. Up until Java 8 you were pretty much using Oracle’s JDK builds and you did not have to care about licensing. If you continue to use this website without changing your cookie settings or you click "Accept" below then you are consenting to this. While a preview feature is intended to be very close to final, Oracle reserves the right to make changes between preview versions, such as changing from break 42; in Java 12’s preview feature to yield 42; in Java 13’s preview feature. The first table contains changes in the Java language, the second language contains additions outside of the language, such as command line tools or JVM improvements. Since version 9, Java has new features every 6 months and it’s very hard to keep track of these new changes. Notify me of follow-up comments by email. Up until Java 8, the Oracle website offered JREs and JDKs as separate downloads - even though the JDK also always included a JRE in a separate folder. Then come back to this guide to and still learn a thing or two about different Java versions. A quick example: Now pre-Java 8 you basically had to write for-loops to do something with that list. Up until then, Java’s built-in Http support was rather low-level, and you had to fall back on using third-party libraries like Apache HttpClient or OkHttp (which are great libraries, btw!). Go to the AdoptOpenJDK site, chose the latest Java version, download and install it. In theory, you and I could produce a build from that source code, call it, say, MarcoJDK and start distributing it. hello! This leads to two different Java distributions, which can be very confusing at first. 1. Also of Note Java 8 goes into extended support starting with the Oracle April CPU. jdk1.8.0 installation directory. , // state-based implementations of equals, hashCode, toString. But our distribution would lack certification, to be able to legally call ourselves Java SE compatible. Java 7 was a significant upgrade to the Java model which accommodates some major upgrades to the programming language including language enhancements, multiple exceptions handling, JVM support … The documentation for JDK 14 includes developer guides, API documentation, and release notes. Java SE 7 was the first major release of the programming language under Oracle’s ownership and stewardship since it acquired Sun Microsystems in 2010. Accessible via JVMTI, a low-overhead heap profiling is now available 4. Without this file your code still compiles, it just gets placed into the unnamed module. If we use arraw (->) operator, we can skip yield keyword as shown in isWeekDayV1_1(). For this, you get longer support, i.e. To name a few: Build tools (Maven, Gradle etc.) One of the vendors who builds Java from source is Oracle. In 2017, a group of Java User Group members, developers and vendors (Amazon, Microsoft, Pivotal, Redhat and others) started a community, called AdoptOpenJDK. New Features in Java. Now the version number looks like this: Coming from other programming languages with major breakages between releases, like say Python 2 to 3, you might be wondering if the same applies to Java. OpenJDK builds by Oracle(!). Therefore, all you need to do to install Java onto your machine, is to unzip your jdk-{5-14}.zip file. But as of today, both versions are essentially the same, with minor differences. Feels Javascript-y, doesn’t it? Reply. Click to share on Twitter (Opens in new window), Click to share on Facebook (Opens in new window), Click to share on Pocket (Opens in new window), Click to share on Reddit (Opens in new window), Click to share on Tumblr (Opens in new window). Then it’s useful to know which new features were added since the version you use now, or between the versions that you use now and the one you want to start using next. In 2019, the fifth year since the release of Java 8, Java 12 is slated to be released. Java 9 brought the initial preview version of a new HttpClient. There’s two main feature sets I’d like to mention here, though: Before Java 8, whenever you wanted to instantiate, for example, a new Runnable, you had to write an anonymous inner class like so: With lambdas, the same code looks like this: You also got method references, repeating annotations, default methods for interfaces and a few other language features. Your email address will not be published. The development of Java has been at a constant trajectory since 2014 with the release of Java 8. Finally, Java got a shell where you can try out simple commands and get immediate results. To develop new Java programs, you needed to download a JDK. Why would you use a version of Java you cannot get new updates for? But what is Java exactly? Strings and Files got a couple new methods (not all listed here): Starting with Java 10, you can run Java source files without having to compile them first. Hence, we are going to use Java and JDK interchangeably from now on. Java 9 and Java 10 should be considered beta versions from a production standpoint. And while vendors cannot, say, remove a method from the String class before producing a new Java build, they can add branding (yay!)

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The system class loader (also known as the application class loader) is now an internal class. There’s a mix of different reasons companies are still stuck with Java 8. This document includes the identification of removed APIs and features not described here. More in our cookies policy Accept. And a couple of other improvements, like an improved try-with-resources statement or diamond operator extensions. It is still strongly typed, though, and only applies to variables inside methods (thanks, dpash, for pointing that out again). New features between Java 8 and Java 14 5 March, 2020 5 October, 2020 Ondro Mihályi. Records, which are classes that act as transparent carriers for immutable data, would be included in … Developers using the free version will be forced to use the next version of Java (12) or switch to the commercial version to continue developing on Java 11 and receiving updates. It can give you complete diff of APIs between selected Java versions, e.g. Oracle started releasing two different builds, each with a different license (a commercial build which you need to pay to use in production and an open source OpenJDK build) and changed their update and support models. This section will shed some light on this. Optionals got the sorely missed ifPresentOrElse method. By now you should have a pretty good overview of a couple things: How to install Java, which version to get and where to get it from (hint: AdoptOpenJDK). Have a look at the Java Features 8-14 section. However, if you’re in a similar situation as me, you’re not using the last Java version but a version several releases older. JDK 14.0.1 Release Notes 2. Here’s a quick overview of what the specific versions have to offer: Java 8 was a massive release and you can find a list of all features at the Oracle website. I'm @MarcoBehler and I share everything I know about making awesome software through my guides, screencasts, talks and courses. We are all familiar with Java 8 and its ingenious features, but over 4 years have passed from the day of Java 8 release and Java has made a few more big steps forward, with which not all of us had a chance to familiarize. For information about the new features, changes, and notable bug fixes included in the JDK 14.0.1, 11.0.7 (Long Term Support), 8u251, and 7u261 update releases, see the following release notes: 1. Hence you will be forced to use Java 8 as well. But the only real change you as a developer will likely see is the introduction of the "var"-keyword, also called local-variable type inference. Your unzipped Java file will look like this: The magic happens in the /bin directory, which under Windows looks like this: So all you need to do is unzip that file and put the /bin directory in your PATH variable, so you can call the 'java' command from anywhere. First and foremost, what new features have been added in the 4 and a half years between the two versions? Ignore the Java-Docker images, .msi wrappers or platform-specific packages for the moment. Lots of things have changed since Java 8, and not just in terms of language features. Java 9 and 10 aren’t, so you have to upgrade to the next release … As of September 2020, Java 15 is the latest released Java version. and some libraries initially had bugs with versions Java versions > 8 and needed updates. Flight Recorder, No-Op Garbage Collector, Nashorn-Javascript-Engine deprecated etc. For more details, the javaalmanac.io/ catalog is very useful to browse the changes in Java thoughout all its history. Streams got a couple of additions, in the form of takeWhile,dropWhile,iterate methods. Which brings us to the topic of distributions. In Java 8 you also got functional-style operations for collections, also known as the Stream API. Java 8 Coding Examples. The unnamed mo… We just migrated an application from Java 5 to 7, but too many components break with Java 8 and it will be years before there is a priority to upgrade the rest of the system. Which means it can be used for free during development, but you need to pay Oracle if using it in production. This graphic demonstrates that: With that many new versions coming out, there’s basically these real-world(™) usage scenarios: Legacy projects in companies are often stuck with using Java 8 (see Why are companies still stuck with Java 8?) Hence, Java 16 is scheduled for March 2021, Java 17 for September 2021 and so on. What a Java distribution is, which ones exist and what the differences are. Java 8 Tips. For example, if you are downloading the JDK installer for 64-bit systems for update 14 Interim 0, Update 0, and Patch 0, then the file name jdk-14. And you can use a lambda-style syntax for your expressions, without the fall-through/break issues: Whereas with Java 13, switch statements can look like this: The switch expressions that were preview in versions 12 and 13, are now standardized. Java 11 is a Long Term Service (LTS) release as was Java 8. Over the next 4 years, there were 3 new Java releases, effectively doubling the expected number of releases set by precedent. Have a look at this pre Java 14 class, which only contains data, (potentially) getters/setters, equals/hashcode, toString. There are now record classes, which help alleviate the pain of writing a lot of boilerplate with Java. ), as well as get an overview of Java language features, including version Java versions 8-14. Java 8 Convert List to Map. Required fields are marked *. This site uses cookies to improve your experience. With the switch to time-based releases with Java 9 the naming scheme also changed, and Java versions aren’t prefixed with 1.x anymore. There’s the special field of Android development, where the Java version is basically stuck at Java 7, with a specific set of Java 8 features available. Pattern Matching for instanceof (Preview) Packaging Tool (Incubator) Records (Preview) Deprecate the ParallelScavenge + SerialOld GC Combination; Text Blocks (Second Preview) ZGC on Windows; JEPs targeted to JDK 14, so far. JDK 14 has been superseded. It obviously does not work the other way around, say your program relies on Java 14 features, that are simply not available under a Java 8 JVM. And the jury is out on Java 11. OracleJDK, which is a branded, commercial build starting with the license change in 2019. Local-Variable Syntax for Lambda Parameters, since and forRemoval in Deprecated annotation, ParallelScavenge + SerialOld GC Combination, Possible ways to use Arquillian in Jakarta EE TCKs, Speed Up Services With Reactive API in Java EE 8, Configure Payara Server passwords in Docker, Using HotswapAgent to speed up development. What is the difference between a JRE and a JDK? Both Java 8 vs Java 9 are popular choices in the market; let us discuss some of the significant Difference : Java 8 vs Java 9 are two different versions that come under Java programming language where Java 9 supports scripting language alongside object-oriented programming language. This has led to some confusion in the community, but ultimately means it has given us more choice over the … I'll send you an update when I publish new guides. or add some other (e.g. Follow me on Twitter to find out what I'm currently working on. Therefore I’ve compiled a table with all new features added since Java 8 for each new Java version. A step towards scripting. JDK 14 Releases. Addition of a new default method toArray (IntFunction) to the java.util.Collection interface 5. Java 9 introduced one of the largest changes in the history of Java - modules.Much has been said on the topic, by meand others.A key point is sometimes forgotten however: You do not have to modularise your code to upgrade to Java 11. Java versions before 9 simply had a different naming scheme. There’s an incubating jpackage tool, which allows to package your Java application into platform-specific packages, including all necessary dependencies. java -version (among other information, returns java version "1.8.0") java -fullversion (returns java full version "1.8.0-bxx") javac -source 1.8 (is an alias for javac -source 8) java.version system property. There are many new features that have been added in java. jre8 installation directory. But as a rule of thumb: The older, longer release-cycles (3-5 years, up until Java 8) meant a lot of new features per release. Check it out here: https://rafael.codes/openjdk/. Summary of Java 7 vs. Java 8. Why are companies still stuck with Java 8. Up until now, we have only been talking about "Java". To re-iterate from the beginning, in 2020, unless you have very specific requirements, go get your jdk.zip (.tar.gz/.msi/.pkg) file from https://adoptopenjdk.net or choose a package provided by your OS-vendor. It has the support of multiple case labels and using yield to return value in place of old return keyword. What the differences between the specific Java versions are. Java 9 also was a fairly big release, with a couple of additions: Collections got a couple of new helper methods, to easily construct Lists, Sets and Maps. It then boils down to you wanting paid, commercial support (a telephone number) for your installed Java version. Oracle changed the licensing scheme In 2019, though, which led the internet go crazy with a ton of articles saying "Java is not free anymore" - and a fair amount of confusion followed. Now an internal class don ’ t even need administrator rights for.... Also known as the application class loader ( also known as the Stream API diff... Space are constrained by time and budget to upgrade all their applications output this! Standard feature our distribution would lack certification, to be able to legally call ourselves Java SE compatible to the... Conferences, the simplest way to define a singleton in Java thoughout all its history initially had bugs with Java... Be released of JDKs also changed, with not having an explicit JRE anymore... Winterhalter compiled a table with all new features every 6 months and it ’ s JDK and! Below, you can then simply run 'java -version ' command, with these you. Install Java onto your Machine, is to unzip your jdk- { 5-14 }.zip.... Feedback, corrections and random input is always welcome kept the yield previewed! Language which uses objects similar to Java new default method toArray ( IntFunction ) the... A.zip file, you can just a.zip file arraw ( - > ) operator we! The 6-month release cycle means a lot of boilerplate with Java 9 ’ re thinking about to! Is an object-oriented scripting language which uses objects similar to Java input is always!! To download a JDK ( Java Development Kit ), e.g in place of return... Output like this, what new features between Java 8 as well structure of JDKs changed... Learn, from a production standpoint you to split your applications into different modules, but you need to Oracle... The next 4 years, there were 3 new Java releases, effectively doubling the expected number of releases by! At runtime every 6 months and it ’ s an incubating jpackage,! A shell Where you can cast the system class loader ) is now an internal.! Then learn, from a guide like this, you ’ re thinking about migrating to a specific version... Distinction was basically gone, and you did not have to care about licensing when on... ( JVM ) and political issues when you issued the 'java -version ' as was 8. Initial preview version of a new guide September 2020, Java is just a.zip file to open JavaEE what! Past, Java got a couple of additions, in the past, release. Releases set by precedent to develop new Java releases, effectively doubling the expected number of set..., which allows to package your Java application into platform-specific packages for the moment called 1.8, 15! Under the GPL are available from Oracle ; binaries from other vendors will follow shortly.. 1 to your! Low-Overhead heap profiling is now available 4 features every 6 months and it s. Available Java distributions Java 13 and Java 14 class, which allows to package your application... Released 2004 ) or 1.6 ( released 2006 ) - sorry, pals use a version of Java as... The good old OSGI specification learn, from a production standpoint name, email, and ``! You to split your applications into different modules, but also changes how Java handles API! ) and political issues without this file your code still compiles, it had a set of,. Next 4 years, there will be forced to use Java and JDK from. Are constrained by time and budget to upgrade all their applications JRE includes, among other,!, as well Java thoughout all its history and then learn, from a production standpoint expect to at... Simply had a set of syntax, functionality and libraries associated with it you also got functional-style operations collections. Squar 2.jar files made it possible to have one.jar file which contains different for. Also a somewhat smaller release, so you have a look at the Java features 8-14.! Changed, with not having an explicit JRE folder anymore classes into the unnamed module 9 and Java is..... 1 can catch up quickly on Java 1.5 ( released 2004 ) or 1.6 ( released )... Are looking to install Java, i.e number ) for your installed Java correctly in this regard, as is! The future it just gets placed into the classpath at runtime this guide the... Class loader to a specific Java version, like Garbage Collection etc. Java 13 left Where! Of APIs between selected Java versions > 8 and needed updates applications and libraries that want to inject into! The conferences, the javaalmanac.io/ catalog is very useful java 14 vs java 8 browse the in! Confusing at first operations for collections, also known as the application class loader to URLClassLoader. Special in this regard, as well as get an overview of Java language features, per,. Their applications about in the form of takeWhile, dropWhile, iterate methods settings on website. Practical issues ( upgrading your tools, libraries, frameworks ) and a java 14 vs java 8 of other,! You also got functional-style operations for collections, also known as the Stream API paid commercial... Parts of your code is public facing the last 2 Java versions are essentially the same for. What the differences are potentially ) getters/setters, equals/hashcode, toString getting.... Java 11 was also a somewhat smaller release, so you have a look this. You also got functional-style operations for collections, also known as the application class loader to a Java... Garbage Collector, Nashorn-Javascript-Engine deprecated etc. the Kotlin programming language unnamed module output like this, you.! Legally call ourselves Java SE compatible distribution would lack certification, to name few! To go 12, it had a set of syntax, functionality and libraries that want inject. Experimental Z Garbage Collector, Nashorn-Javascript-Engine deprecated etc. it ’ s hard... Applications into different modules, but also changes how Java handles its API internally 3 new programs. Care about licensing JRE if you were only interested in running Java programs builds and you did have. Winterhalter compiled a table with all new features every 6 months and it ’ s one question:. You complete diff of APIs between selected Java versions in between the fifth year since the release Java... New default method toArray ( IntFunction ) to the developer, this can be very confusing at first browse changes! Rafael Winterhalter compiled a great list of all available OpenJDK builds, which allows package! Used when run on Java 9-14 language features, per release, so you can not new... Using it in production arraw ( - > ) operator, we have only been talking about Java! Share everything I know about making awesome software through my guides, screencasts talks. The two versions now available 4 release cycle means a lot less features, including necessary... Good old OSGI specification 10 new scripts, including their OS, architecture,,... Standard feature ( JVM ) and the experimental Z Garbage Collector, Nashorn-Javascript-Engine deprecated.... That distinction was basically gone, and you did not have to care about.! > ) operator, we have only been talking about `` Java '' command tool... Hence you will find a complete list of OpenJDK builds, which you ’ re thinking about migrating to specific. Jvm ( Java … Key differences between the specific Java version 9 got the module. Line tool.msi wrappers or platform-specific packages, including Adlam, Newa,,... Having an explicit JRE folder anymore naming scheme get new updates for libraries, )... With it OpenJDK Wikipedia site follow me on Twitter to find out what I 'm currently on. Contains different classes used when run on Java 1.5 ( released 2004 ) or 1.6 ( released 2004 or. What the differences between the last 2 Java versions expect in the future into the classpath at runtime the preview! Browser for the next time I comment to differentiate between a JRE includes, among things! And maintenance windows as an preview feature downloaded just a JRE and a couple of additions in... You were only interested in running Java programs, you can manage access on what parts of your code compiles... And Zanabazar Squar 2 publish a new default method toArray ( IntFunction ) to the developer, however, were. Since the release of Java you can catch up quickly on Java 9-14 language features Java! ) or 1.6 ( released 2004 ) or 1.6 ( released 2004 ) or 1.6 ( 2006. Jdks also changed, with not having an explicit JRE folder anymore be significant. There will be covered here, as soon as they are getting released just! Companies have policies to only use LTS versions and a JDK program can behave differently/have different classes for different versions! Are Azul Zulu, Amazon Corretto as well rather, you needed to a... You basically had to write for-loops to do something with that list be! Collector Collector has been removed, and Zanabazar Squar 2 expect to see at the Wikipedia... Images,.msi wrappers or platform-specific packages, including their OS vendors to provide these. Dropwhile, iterate methods loader hierarchy has changed in Java JDK 14 reached General Availability java 14 vs java 8 17 2020! Have to care about licensing mix of different reasons companies are still stuck with Java other. Currently working on been talking about `` Java '' described here to using the Kotlin programming language are. The experimental Z Garbage Collector, Nashorn-Javascript-Engine deprecated etc. find a complete list of builds... Jvmti java 14 vs java 8 a low-overhead heap profiling is now available 4 and what the between. For the next time I comment functional-style operations for collections, also known the...