Java四种引用

hb0730 published on 2021-03-09 included in Java

四种引用的区别其实四种引用的区别在于 GC的时候，对它们的处理不同。用一句话来概括，就是：如果一个对象GC Root可达，强引用不会被回收，软引

Java JVM 内存分区

hb0730 published on 2021-03-05 included in Java

局部变量表: 存放了编译期可知的各种数据类型（boolean、byte、char、short、int、float、long、double）、对

Spring工具类-ResolvableType

hb0730 published on 2020-12-23 included in Java

1. 前言今天在看 Spring Security 源码的时候无意间注意到两行代码; ResolvableType type = ResolvableType.forClassWithGenerics(OAuth2UserService.class, OAuth2UserRequest.class, OAuth2User.class); ApplicationContext context = getContext(); String[] names= context.getBeanNamesForType(type); if (names.length == 1) { OAuth2UserService<OAuth2UserRequest, OAuth2User> bean = (OAuth2UserService<OAuth2UserRequest, OAuth2User>) context.getBean(names[0]); } ResolvableType 居然可以这样获取一个带泛型的类型，于

Spring Security5 Oauth2 Client认证

hb0730 published on 2020-10-16 included in Spring Security5 Spring Oauth2

Spring Security5之Oauth2 Client认证本项目采用spring-boot的方式：spring-boot版本为:2.3.3.RELE

Spring Security5 资源服务器

hb0730 published on 2020-09-29 included in Spring Security5 Spring Ouath2

本项目采用spring-boot的方式：spring-boot版本为:2.3.3.RELEASE 本文主要是想提供一个401解决思路源码地址：

Spring i18n配置

hb0730 published on 2020-09-25 included in Spring Java

源码地址:spring-boot-i18n 项目采用maven方式构建,其目录结构如下: pom 因为我采用的是spring-boot项目 <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> 一、