IDEA里面8版本mysql连接java

import java.sql.Connection;
import java.sql.DriverManager;
public class TestJdbc {
    public static void main(String[] args) throws Exception{
        Class.forName("com.mysql.cj.jdbc.Driver");
        String url="jdbc:mysql://localhost:3306/mysql?serverTimezone=UTC";
        String user="root";
        String password="123456";
        Connection connection= DriverManager.getConnection(url,user,password);
        if(connection!=null){
            System.out.println("连接到数据库");
        }    else {
            System.out.println("连接失败");
        }    }
}