Xualvin的博客

https://www.jianshu.com/p/1cc6bfc4ee48public class TestMain01 { public static void main(String[] args) { String hw = "hello world"; String hello = "hello"; final String ...

ReentrantLock的可重入性public class ReentrantLockTest01 { public static void main(String[] args) { //默认为非公平锁 ReentrantLock lock = new ReentrantLock(); //在同一线程中，ReentrantLoc...

org.apache.commons.lang3： java.long相关的工具类封装<dependency> <groupId>org.apache.commons</groupId> <artifactId>commons-lang3</artifactId> <versio...

创建springboot工程查看生成工程pom.xml<?xml version="1.0" encoding="UTF-8"?><project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:sc...