I want to read data from .properties file using slf4j,T i am able to output the data on console but what i want is to output the data on some file so i need file Appender fo
slf4j is an API - if you consider it to consist only of interfaces and no classes, you are not far off.
The behavior you need is in the implementation of the interfaces, which for slf4j may be logback, AVSL, JDK14 (java.util.logging), log4j or Simple. Some can read properties, some cannot.
For logback you can use
See http://logback.qos.ch/manual/configuration.html#definingProps for details.