public class Test04 {

    public static void main(String[] args) throws InterruptedException {

        CountDownLatch cd = new CountDownLatch(6);//总长度

        for (int i = 1; i <=6 ; i++) {

            new Thread(()->{

                System.out.println(Thread.currentThread().getName()

                        +"\t 国被灭");

                cd.countDown();//减一

            },CountryEnum.forEach_CountryEnum(i).getMessage()).start();

        }

        cd.await();//等待直到计数器为0

        System.out.println(Thread.currentThread().getName()

                +"\t 秦灭六国，一统华夏");

    }

}

public enum CountryEnum {

     ONE(1,"齐"),TWO(2,"楚"),THREE(3,"燕"),FOUR(4,"赵"),FIVE(5,"魏"),SIX(6,"韩");

     private  int code;

     private  String message;

    CountryEnum(int code, String message) {

        this.code = code;

        this.message = message;

    }

    public int getCode() {

        return code;

    }

    public void setCode(int code) {

        this.code = code;

    }

    public String getMessage() {

        return message;

    }

    public void setMessage(String message) {

        this.message = message;

    }

    public  static CountryEnum forEach_CountryEnum(int index){

        CountryEnum[] values = CountryEnum.values();

        for (CountryEnum countryEnum : values) {

            if(countryEnum.getCode()==index){

                return countryEnum;

            }

        }

        return null;

    }

}