log4j properties file

I see this is a properties file

log4j.logger.com.asd=DEBUG, @@app.name@@
log4j.logger.com.asd.@@xyz.cad.name.lca开发者_JS百科se@@.truck=DEBUG, @@app.name@@

is "@@" a wildcard notation?

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No, @@ is not syntax for wildcards but rather denotes a variable. Cheers!