import java.io.*;
import java.util.logging.*;

public class QuintLog{
	public static void main(String[] args) {
		try{
			FileHandler hand = new FileHandler("vk.log");
			Logger log = Logger.getLogger("log_file");
			log.addHandler(hand);
			log.warning("Doing carefully!");
			log.info("Doing something ...");
			log.severe("Doing strictily ");
			System.out.println(log.getName());
		}
		catch(IOException e){}
	}
}