我相当确定我没有正确处理与类相关的内容。
我使用一个类来创建一组变量(类似于 JavaScript 对象,但并不完全相同)。
以下是我使用它的示例(一个基本示例):
public class myScript {
public static void main(String[] args) {
Client warehouse = new Client();
Contacts warehouseContactsA = new Contacts();
Contacts warehouseContactsB = new Contacts();
warehouse.idno = 1;
warehouse.name = "warehouse";
warehouse.desc = "I don't exist";
warehouseContactsA.client_idno = 1;
warehouseContactsA.email = "emailAAA@place.com"
warehouseContactsB.client_idno = 1;
warehouseContactsB.email = "emailBBB@place.com"
insertIntoDB(warehouse,
warehouseContactsA,
warehouseContactsB);
}
public static void insertIntoDB(Client warehouse,
Contacts warehouseContactsA,
Contacts warehouseContactsB) {
// code to insert into database here
}
private class Client {
int idno;
String name;
String desc;
}
private class Contacts {
int client_idno;
String email;
}
}
有没有不使用类的理由,如果有,是否有更简单的方法来存储/管理数据而不需要类?