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using properties file in spring java mvc along with xml files

Rohit Bajaj
Rohit Bajaj asked
Last Modified: 2015-09-30
I have a spring java project i found that its using two files :
1) database.xml
2) database.properties

The database.properties file specify the jdbc url and username and password
These properties are then used in database.xml file with the notation "${}" to access the jdbc url and username and password

My question is why create the database.properties file in the first place ? arent xml files also non compiled and so one can directly edit them without restarting the server ?
Is it just for a readability purpose or there are some other significance of using this pattern ?
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