Eclipse Configuration Java Custom environment variable __java

Steps:

1. Right key item select Debug as Inside Debug configurations

2. Find your own running environment. "I am here Jef Web Applicaion"

3. Click on their own items, find the right side of the arguments this column, in the VM arguments add the environment variables you want to include.

(Remember that the variable name is preceded by D before you can, such as defining username variable:-dusername=****)

The method of obtaining environmental variables is: System.getproperty ("UserName");