Co_zy的博客

项目导入IDEA打开项目配置Tomcat如果出现javax.servlet包导入失败或者out.write报红https://blog.youkuaiyun.com/adminkeys/article/details/112398634

文章目录项目介绍项目源码项目介绍项目源码

import java.sql.Connection;import java.sql.DriverManager;import java.sql.ResultSet;import java.sql.SQLException;import javax.security.auth.x500.X500Principal;import com.mysql.jdbc.Statement;public c

1.卸载openjdksudo apt remove openjdk*2.下载sunjdk http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html3.安装sunjdktar -axvf jdk1.8.0_131.tar.gz将解压后文件移动到/usr/lib/jvm/java或者新建一个