单选题 Certkiller.com为本地银行开发应用程序。您被指定来创建此应用程序的,并需要存储每个交易记录,这被确定使用复杂交易的标识符,在内存中。银行会通知您交易纪录的总金额将达到每日 200。为了实现这一目标,您决定利用现有.NET 2.0 类库中的一个集合类。您需要确保您选择的集合类是最有效的一个存储事务记录。你应该做什么?()
选择 ListDictionary 集合类
选择哈希表集合类
选择队列的集合类
选择 StringCollection 集合类
单选题 选择正确的选项()
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单选题 选择正确的选项()
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单选题 You work as an application developer at Certkiller .com. You have recently created a custom collection class named ShoppingList for a local supermarket. This custom class will include ShoppinItem objects that have the public properties listed below. * Name * AisleNumber * OnDiscount You are required to enable users of your class to iterate through the ShoppingList collection, and to list each product name and aisle number using the foreach statement.You need to achieve this by declaring the appropriate code.What code should you use?()
public class ShoppingList : ICollection {// Class implementation }
public class ShoppingList : IEnumerator, IEnumerable {// Class implementation }
public class ShoppingList : Ilist {// Class implementation }
public class ShoppingList : Enum {// Class implementation }
单选题 您需要编写一个代码段中,该代码段将在应用程序内创建公共语言运行库(CLR)隔离单元。您应该使用哪个代码段?()
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You work as a database administrator for Supportcenter.cn. In your production database, the size of Database Buffer Cache needs to be increased immediately for the current as well as future instances of the database. The Oracle instance has been configured to accommodate any changes in the size of the memory structures. At this is production database, you want to accomplish this task with no impact on the user’s connections. Which activity must you have completed before accomplishing this task?()
铁减少期最先出现的改变是()
简述灰提高对受热面有哪些影响。
《城市房地产管理法》规定,下列房地产,不得转让()
木香槟榔丸的功用是()
关于道德和法律,下列陈述正确的是()
我国商业银行之间的拆借资金可用于( )。
对单硝酸异山梨醇酯描述错误的是()。
影响股利决策的因素主要有( )。
连墙件宜靠近主节点设置,偏离主节点的距离不应大于()mm。