Comparaison de la notation de la version Java

Tous les environnements sont Windows

De plus, les propriétés système qui peuvent être obtenues avec le code Java suivant sont extraites et décrites.

jshell> System.getProperties().entrySet().stream().collect(Collectors.toMap(entry->{return String.valueOf(entry.getKey());}, entry->entry.getValue())).entrySet().stream().sorted(java.util.Map.Entry.comparingByKey()).forEach(entry->{System.out.println(String.format("%s : %s", entry.getKey(), entry.getValue()));});

AdoptOpenJDK 11 (Ajouté le 04/10/2018)

https://adoptopenjdk.net/

> java -version
openjdk version "11" 2018-09-25
OpenJDK Runtime Environment AdoptOpenJDK (build 11+28-201810022317)
OpenJDK 64-Bit Server VM AdoptOpenJDK (build 11+28-201810022317, mixed mode)

`System.getProperties`


**Extrait**
java.class.version : 55.0
java.runtime.name : OpenJDK Runtime Environment
java.runtime.version : 11+28-201810022317
java.specification.name : Java Platform API Specification
java.specification.vendor : Oracle Corporation
java.specification.version : 11
java.vendor : Oracle Corporation
java.vendor.url : http://java.oracle.com/
java.vendor.url.bug : http://bugreport.java.com/bugreport/
java.vendor.version : AdoptOpenJDK
java.version : 11
java.version.date : 2018-09-25
java.vm.compressedOopsMode : Zero based
java.vm.info : mixed mode
java.vm.name : OpenJDK 64-Bit Server VM
java.vm.specification.name : Java Virtual Machine Specification
java.vm.specification.vendor : Oracle Corporation
java.vm.specification.version : 11
java.vm.vendor : Oracle Corporation
java.vm.version : 11+28-201810022317

OpenJDK 11 (version de build Oracle)

Vous pouvez obtenir la version de construction Oracle d'OpenJDK11 à partir de "jdk.java.net".

> java -version
openjdk version "11" 2018-09-25
OpenJDK Runtime Environment 18.9 (build 11+28)
OpenJDK 64-Bit Server VM 18.9 (build 11+28, mixed mode)

`System.getProperties`


**Extrait**
java.class.version : 55.0
java.runtime.name : OpenJDK Runtime Environment
java.runtime.version : 11+28
java.specification.name : Java Platform API Specification
java.specification.vendor : Oracle Corporation
java.specification.version : 11
java.vendor : Oracle Corporation
java.vendor.url : http://java.oracle.com/
java.vendor.url.bug : http://bugreport.java.com/bugreport/
java.vendor.version : 18.9
java.version : 11
java.version.date : 2018-09-25
java.vm.compressedOopsMode : Zero based
java.vm.info : mixed mode
java.vm.name : OpenJDK 64-Bit Server VM
java.vm.specification.name : Java Virtual Machine Specification
java.vm.specification.vendor : Oracle Corporation
java.vm.specification.version : 11
java.vm.vendor : Oracle Corporation
java.vm.version : 11+28

Oracle JDK 11

> java -version
java version "11" 2018-09-25
Java(TM) SE Runtime Environment 18.9 (build 11+28)
Java HotSpot(TM) 64-Bit Server VM 18.9 (build 11+28, mixed mode)

`System.getProperties`


**Extrait**
java.class.version : 55.0
java.runtime.name : Java(TM) SE Runtime Environment
java.runtime.version : 11+28
java.specification.name : Java Platform API Specification
java.specification.vendor : Oracle Corporation
java.specification.version : 11
java.vendor : Oracle Corporation
java.vendor.url : http://java.oracle.com/
java.vendor.url.bug : http://bugreport.java.com/bugreport/
java.vendor.version : 18.9
java.version : 11
java.version.date : 2018-09-25
java.vm.compressedOopsMode : Zero based
java.vm.info : mixed mode
java.vm.name : Java HotSpot(TM) 64-Bit Server VM
java.vm.specification.name : Java Virtual Machine Specification
java.vm.specification.vendor : Oracle Corporation
java.vm.specification.version : 11
java.vm.vendor : Oracle Corporation
java.vm.version : 11+28

Oracle JDK 10

> java -version
java version "10.0.1" 2018-04-17
Java(TM) SE Runtime Environment 18.3 (build 10.0.1+10)
Java HotSpot(TM) 64-Bit Server VM 18.3 (build 10.0.1+10, mixed mode)

`System.getProperties`


**Extrait**
java.class.version : 54.0
java.runtime.name : Java(TM) SE Runtime Environment
java.runtime.version : 10.0.1+10
java.specification.name : Java Platform API Specification
java.specification.vendor : Oracle Corporation
java.specification.version : 10
java.vendor : Oracle Corporation
java.vendor.url : http://java.oracle.com/
java.vendor.url.bug : http://bugreport.java.com/bugreport/
java.vendor.version : 18.3
java.version : 10.0.1
java.version.date : 2018-04-17
java.vm.compressedOopsMode : Zero based
java.vm.info : mixed mode
java.vm.name : Java HotSpot(TM) 64-Bit Server VM
java.vm.specification.name : Java Virtual Machine Specification
java.vm.specification.vendor : Oracle Corporation
java.vm.specification.version : 10
java.vm.vendor : "Oracle Corporation"
java.vm.version : 10.0.1+10

Oracle JDK 9

> java -version
java version "9.0.4"
Java(TM) SE Runtime Environment (build 9.0.4+11)
Java HotSpot(TM) 64-Bit Server VM (build 9.0.4+11, mixed mode)

`System.getProperties`


**Extrait**
java.class.version : 53.0
java.runtime.name : Java(TM) SE Runtime Environment
java.runtime.version : 9.0.4+11
java.specification.name : Java Platform API Specification
java.specification.vendor : Oracle Corporation
java.specification.version : 9
java.vendor : Oracle Corporation
java.vendor.url : http://java.oracle.com/
java.vendor.url.bug : http://bugreport.java.com/bugreport/
java.version : 9.0.4
java.vm.compressedOopsMode : Zero based
java.vm.info : mixed mode
java.vm.name : Java HotSpot(TM) 64-Bit Server VM
java.vm.specification.name : Java Virtual Machine Specification
java.vm.specification.vendor : Oracle Corporation
java.vm.specification.version : 9
java.vm.vendor : Oracle Corporation
java.vm.version : 9.0.4+11

Oracle JDK 8

> java -version
java version "1.8.0_181"
Java(TM) SE Runtime Environment (build 1.8.0_181-b13)
Java HotSpot(TM) 64-Bit Server VM (build 25.181-b13, mixed mode)

`System.getProperties`


**Extrait**
java.class.version : 52.0
java.runtime.name : Java(TM) SE Runtime Environment
java.runtime.version : 1.8.0_181-b13
java.specification.name : Java Platform API Specification
java.specification.vendor : Oracle Corporation
java.specification.version : 1.8
java.vendor : Oracle Corporation
java.vendor.url : http://java.oracle.com/
java.vendor.url.bug : http://bugreport.sun.com/bugreport/
java.version : 1.8.0_181
java.vm.info : mixed mode
java.vm.name : Java HotSpot(TM) 64-Bit Server VM
java.vm.specification.name : Java Virtual Machine Specification
java.vm.specification.vendor : Oracle Corporation
java.vm.specification.version : 1.8
java.vm.vendor : Oracle Corporation
java.vm.version : 25.181-b13