Log sample(by using JDK7)

LogSample.java

import java.util.concurrent.FutureTask;
import java.util.logging.ConsoleHandler;
import java.util.logging.Level;
import java.util.logging.Logger;

public class LogSample {
    private static final Logger logger = Logger.getLogger(LogSample.class.getName());

    public static void main(String[] args) {
        logger.setLevel(Level.ALL);
        logger.setUseParentHandlers(false);
        ConsoleHandler ch = new ConsoleHandler();
        ch.setLevel(Level.ALL);
        logger.addHandler(ch);
        new FutureTask<Void>(new Runnable() {
            @Override
            public void run() {
                logger.log(Level.SEVERE, "log severe");
                logger.log(Level.WARNING, "log warning");
                logger.log(Level.INFO, "log info");
                logger.log(Level.CONFIG, "log config");
                logger.log(Level.FINE, "log fine");
                logger.log(Level.FINER, "log finer");
                logger.log(Level.FINEST, "log finest");
            }
        }, null).run();
    }
}