- it
- 枚举加countdownLatch的使用
package com.cxy.juc;
import java.util.concurrent.CountDownLatch;
public class CountDownlatchDemo {
public static void main(String[] args) {
CountDownLatch countDownLatch =
new CountDownLatch(
6);
for (
int i =
1; i <=
6 ; i++
) {
new Thread(()->
{
System.out.println(
"1"+
"\t"+
Thread.currentThread().getName());
countDownLatch.countDown();
},Count.fore(i).getMsg()).start();
}
try {
countDownLatch.await();
} catch (InterruptedException e) {
e.printStackTrace();
}
System.out.println(
"2");
}
}
package com.cxy.juc;
import com.sun.javafx.scene.control.behavior.TwoLevelFocusBehavior;
public enum Count {
ONE (1,
"A"),TWO(
2,
"B"),THREE(
3,
"C"),FOUR(
4,
"D"),FIVE(
5,
"E"),SIX(
6,
"F");
private Integer num;
private String msg;
Count(Integer num, String msg) {
this.num =
num;
this.msg =
msg;
}
public Integer getNum() {
return num;
}
public void setNum(Integer num) {
this.num =
num;
}
public String getMsg() {
return msg;
}
public void setMsg(String msg) {
this.msg =
msg;
}
public static Count fore(
int num){
Count[] myArray =
Count.values();
for (Count count:myArray){
if (num ==
count.getNum()){
return count;
}
}
return null;
}
}
