C#遍历List并删除某个或者几个元素的方法,你的第一反应使用什么方法实现呢?foreach? for? 如果是foreach,那么恭喜你,你答错了.如果你想到的是用for,那么你只是离成功进了一步. 正确的做法是用for倒序遍历,根据条件删除.下面我们用代码来演示foreach,for删除list数据的情况: class Program { public class Students { public string Name { get; set; } public int Age { get
Enhancing the Application: Advanced JDBC Features This chapter describes additional functionality that you can use in your Java application. Some of these features have not been implemented in the sample application, while some features are enhanceme
public class TestMySqlConnection{ public static void main(String[] args){ Class.forName("com.mysql.jdbc.Driver"); //加载驱动 //数据库:格式:jdbc:mysql(sqlserver): //数据库服务器地址:端口(3306为mysql端口,sqlserver 2005为1433):数据库名称