EnumWithLogger.java

import java.util.logging.Logger;

public enum EnumWithLogger {

    //private static Logger logger; // can't place here

    NONE {
        void world() {

            slogger.info("world");

            //error: non-static variable ilogger cannot be referenced from a static context
            //ilogger.info("world");
        }
    };

    private static Logger slogger;

    private EnumWithLogger() {

        //error: illegal reference to static field from initializer
        //slogger.info("hello");

        ilogger.info("hello");
    }

    private Logger ilogger;
}