###JAVA
JDBC驱动
com.mysql.cj.jdbc.DriverJDBC连接字符串
jdbc:mysql://127.0.0.1:3006/db?useUnicodetrue&characterEncodingUTF8&useLegacyDatetimeCodefalse&serverTimezoneUTCMySQL
时区
show global variables like “%time_zone%”;
问题分析
驱动…
有以下类,完成特殊成员函数
class Person {
string name;
int *age;
}
class Stu:public Person
{
const double score;
}
#include <iostream>
#include <string>
using namespace std;
class Person { string name; int *age ;
publi…