java - Read relative path (outside class path) using main and test classes -

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i have project structure

data_folder/ myproject     module1         main/java         test/java         pom.xml     module2     ... pom.xml

i access data_folder using both test , main classes.

in test classes, it's possible using

new file("data_folder/myfile.txt")

but in main classes, it's possible using 

new file("../data_folder/myfile.txt")

these files have outside class path because they're editable. there better way this?

the common way pass in full location of data_folder parameter when start programs/tests:

-dfiles_location=/somelocation/data_folder

then access , create files this:

string root_dir = system.getproperty("files_location"); file myfile = new file(rootdir+file.separator+"myfile.txt")

then doesn't matter if it's relative path or not - point input/data files are.


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