public class Main01{

public static void main(String[] args){

for (Weekday day:Weekday.values()){

System.out.println(day.name());

}

Weekday fri = Weekday.FRI;

System.out.println("FRI.name() = " + fri.name());

System.out.println("FRI.ordinal() = " + fri.ordinal());

System.out.println(Weekday.valueOf("FRI").name());

System.err.println(fri.toChinese());

}

}

enum Weekday{

SUN("星期日"), MON("星期一"), TUE("星期二"), WED("星期三"), THU("星期四"), FRI("星期五"), SAT("星期六");

private String chinese;

private Weekday(String chinese){

this.chinese = chinese;

}

public String toChinese(){

return chinese;

}

}