code: public static synchronized void assimilate()
      {
          if (assimilated) {
              return;
          }
          assimilated = true;
  
          // Assimilate java.util.logging
          final Logger rootLogger = LogManager.getLogManager().getLogger("");
          final Handler[] handlers = rootLogger.getHandlers();
  
          if (handlers != null) {
              for (Handler handler : handlers) {
                  rootLogger.removeHandler(handler);
              }
          }
  
          SLF4JBridgeHandler.install();
          LoggerContext lc = (LoggerContext) LoggerFactory.getILoggerFactory();
          lc.addListener(new LevelChangePropagator());
          try {
              lc.addListener(new JMXConfigurator(lc,
                      ManagementFactory.getPlatformMBeanServer(),
                      new ObjectName("com.opentable.logging:name=LogbackConfig")));
          } catch (MalformedObjectNameException e) {
              throw new RuntimeException(e);
          }
          LoggerFactory.getLogger(AssimilateForeignLogging.class).info("java.util.logging was assimilated.");
      }
docs: Assimilate a small set of logging frameworks.