`~~
// validating/SLF4JLogging.java
import org.slf4j.;
public class SLF4JLogging {
private static Logger log =
LoggerFactory.getLogger(SLF4JLogging.class);
public static void main(String[] args) {
log.trace("Hello");
log.debug("Logging");
log.info("Using");
log.warn("the SLF4J");
log.error("Facade");
}
}
/ Output:
2017-05-09T06:07:53.418
[main] INFO SLF4JLogging - hello logging
*/
logback.xml
<?xml version="1.0" encoding="UTF-8"?>
<configuration>
<appender name="STDOUT"
class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<pattern>
%d{yyyy-MM-dd'T'HH:mm:ss.SSS}
[%thread] %-5level %logger - %msg%n
</pattern>
</encoder>
</appender>
<root level="TRACE">
<appender-ref ref="STDOUT" />
</root>
</configuration>
