logger
slf4j-api.jar logback-classic.jar logback-core.jar <configuration> <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender"> <Target>System.out</Target> <layout class="ch.qos.logback.classic.PatternLayout"> <Pattern>%d{HH:mm:ss} [%-5level] %logger{36} - %msg%n</Pattern> </layout> </appender></configuration>