JUC学习,CountDownLatch(线程计数器) 线程 和 Enum(枚举)
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2022-06-28 20:19:51
JUC学习,CountDownLatch(线程计数器) 线程 和 Enum(枚举)package com.zhangye;import java.util.concurrent.CountDownLatch;public class CountDownLatchTest {public static void main(String[] args) throws Exception{CountDownLatch countdown = new CountDownLatch(6);...
JUC学习,CountDownLatch(线程减法计数器) 线程 和 Enum(枚举)
package com.zhangye;
import java.util.concurrent.CountDownLatch;
public class CountDownLatchTest {
public static void main(String[] args) throws Exception{
CountDownLatch countdown = new CountDownLatch(6);
for (int i = 1; i <= 6; i++) {
new Thread(()->{
System.out.println(Thread.currentThread().getName()+" \t 国被灭");
countdown.countDown();
},CountryEnum.forEachEnum(i).getMessage()).start();
}
countdown.await();
System.out.println(Thread.currentThread().getName()+"\t 秦国统一华夏:");
}
}
打印结果
齐 国被灭
燕 国被灭
楚 国被灭
赵 国被灭
韩 国被灭
魏 国被灭
main 秦国统一华夏:
package com.zhangye;
public enum CountryEnum {
ONE(1,"齐"),
TWO(2,"燕"),
THREE(3,"楚"),
FOUR(4,"赵"),
FIVE(5,"韩"),
SIX(6,"魏");
private Integer code;
private String message;
public Integer getCode() {
return code;
}
public void setCode(Integer code) {
this.code = code;
}
public String getMessage() {
return message;
}
public void setMessage(String message) {
this.message = message;
}
private CountryEnum(Integer code, String message) {
this.code = code;
this.message = message;
}
public static CountryEnum forEachEnum(int code){
CountryEnum[] arr = CountryEnum.values();
for (CountryEnum countryEnum : arr) {
if(countryEnum.getCode() == code){
return countryEnum;
}
}
return null;
}
}
本文地址:https://blog.csdn.net/qq_29244151/article/details/112620451
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