package onlyfun.caterpillar;
import java.util.logging.*;
public class LoggerHierarchyDemo {
public static void main(String[] args) {
Logger onlyfunLogger = Logger.getLogger("onlyfun");
Logger caterpillarLogger =
Logger.getLogger("onlyfun.caterpillar");
System.out.println("root logger: "
+ onlyfunLogger.getParent());
System.out.println("onlyfun logger: "
+ caterpillarLogger.getParent().getName());
System.out.println("caterpillar logger: "
+ caterpillarLogger.getName() + "\n");
onlyfunLogger.setLevel(Level.WARNING);
caterpillarLogger.info("caterpillar' info");
caterpillarLogger.setLevel(Level.INFO);
caterpillarLogger.info("caterpillar' info");
}
}