技巧是找到package的上一级目录:
比如我本机的package目录如下:
/IdeaProjects/com.my/out/test/classes
class文件目录如下:
/IdeaProjects/com.my/out/test/classes/service
service的上一级目录为classes,
那我们就在classes下执行:记得带上class文件所在的包名
testMacBook-Pro:classes test$ java service.ThreadDefaultName
Thread-0
Thread-4
Thread-3
Thread-1
Thread-2
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package service;
import java.util.stream.IntStream;
/**
* @description:
* @author:
* @create:
**/
public class ThreadDefaultName {
public static void main(String[] args) {
IntStream.range(0, 5).boxed().map(i -> new Thread(
() -> System.out.println(Thread.currentThread().getName())
)).forEach(Thread:: start);
}
}
工程结构