Log Sample2(by using JDK8)

LogSample2.java

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

public class LogSample2 {
    private static final Logger logger = Logger.getLogger(LogSample.class.getName());

    public static void main(String[] args) {
        logger.setLevel(Level.INFO);
        logger.setUseParentHandlers(false);
        ConsoleHandler ch = new ConsoleHandler();
        ch.setLevel(Level.INFO);
        logger.addHandler(ch);
        logger.log(Level.INFO, LogSample2.logInfo()); 
        logger.log(Level.INFO, LogSample2.logInfo()); 
        logger.log(Level.FINER, LogSample2.logFiner()); 
        logger.log(Level.FINER, LogSample2::logFiner); 
    }
    static String logInfo() {
        System.out.println("*** called logInfo ***");
        return "log info";
    }
    static String logFiner() {
        System.out.println("*** called logFiner ***");
        return "log finer";
    }
}