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1;静态集合类像hashmap,vector等,如果是全局的,静态的,集合只增不减就会造成泄漏,集合类应该增减方法都有,2;当集合里面的对象属性被修改后,在调用remove()时不起作用p a = new person; set.add(a); a.setName("ddd");set.remove 阅读全文
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linux中ssh登录Permanently added (RSA) to the list of known hosts问题解决 用用户名+密码的方式登录出现以下问题: 1 [root@www]# ssh admin@xxx.xxx.xxx.xxx 2 The authenticity of ho 阅读全文
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When I use security.basic.enabled=false to disable security on a Spring Boot project that has the following dependencies: <dependency> <groupId>org.sp 阅读全文