如何判断 Java 是 Sun / Oracle / OpenJDK？
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How can I tell whether Java is Sun / Oracle / OpenJDK?
提问by Daniel Standage
Possible Duplicate:
Which JRE I am using
可能的重复：
我使用的是哪个 JRE
I'm trying to figure out whether the Java installation in my HPC environment is running the Sun JVM, or Oracle, or OpenJDK. Since I don't have administrator access and I didn't install Java, is there a quick way I can determine which JVM I have installed?
我试图弄清楚我的 HPC 环境中的 Java 安装是运行 Sun JVM、Oracle 还是 OpenJDK。由于我没有管理员访问权限并且我没有安装 Java，有没有一种快速的方法可以确定我安装了哪个 JVM？
standage@login4:~$ which java
/usr/bin/java
standage@login4:~$ java -version
java version "1.6.0_03"
Java(TM) SE Runtime Environment (build 1.6.0_03-b05)
Java HotSpot(TM) Server VM (build 1.6.0_03-b05, mixed mode)
standage@login4:~$ uname
Linux
采纳答案by Will Hartung
There's a java.vendorproperty from System.getProperties(), that should give you the info that you're looking for.
java.vendorSystem.getProperties() 中有一个属性，它应该为您提供您正在寻找的信息。
On my Mac it's:
在我的 Mac 上是：
java.vendor=Apple Inc.
