在OS X El Capitan中设置环境变量，以便Java可以读取？

Question

I need to set an environment variable in OS X El Capitan so it can be read by java with System.getenv(myVar) . How can I do it? Of course the variable must be only readable by the user who created it (and the admin probably).

Answer 1

The default shell on OS X is bash .

export FRED="Hello"

and then you can use something like

String fred = System.getenv("FRED");
System.out.println(fred);

Answer 2

I know why it happened. There's a bug in Oracle java where SecurityManager sm = getSecurityManager(); returns always a null string (sm = null). After updating java 8.0.51 to 8.0.65 it worked perfectly. The same happens on some version of Oracle java for linux.

The affected routine is this: public static String getenv(String name)