I double-checked it. A. must B. can C. may D. could 相关知识点: 试题来源: 解析 C。must 表示肯定的推测,可能性非常大;can 表示可能性,但一般用于否定句和疑问句;may 表示有可能;could 表示可能性比 can 更小。根据“I double-checked it.”可知,答案有可能是错的,所以选 may。反馈 收藏 ...
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Once you have responded to each question below and doubled checked your answers, click the "Final Check" button at the bottom of the page and 'Show answers' to find out if your answers are correct. You can also click "Save" to save your responses without submitting them for a grade. T...
Once you have responded to each question below and doubled checked your answers, click the “Final Check” button at the bottom of the page and 'Show answers' to find out if your answers are correct. You can also click “Save” to save your responses without submitting them for a grade....
百度试题 题目Do you need a __ reservation? A.double checkedB.settledC.advancedD.guaranteed相关知识点: 试题来源: 解析 D 反馈 收藏
百度试题 结果1 题目Do you need a () reservation? A. double checked B. settled C. advanced D. guaranteed 相关知识点: 试题来源: 解析 D 反馈 收藏
双重检查锁定(Double-Checked Locking)模式解析 1. 什么是双重检查锁定模式? 双重检查锁定(Double-Checked Locking)是一种在并发编程中用于延迟初始化单例对象的优化技术。它通过在第一次检查实例是否为null(无需锁)后,再进行一次带锁的检查和实例化,以减少同步的开销。 2. 双重检查锁定在并发编程中的作用和优点 ...
aI double checked all the capacities on the samples I have here from Huafu and the capacities are all above 17oz so we’d like to change the capacity on the artwork to 17oz (505ml) I double checked all the capacities on the samples I have here from Huafu and the capacities are all ...
(根据首字母单词拼写) 答案 [答案]ensure相关推荐 1He doubled-checked the lights in the house to e___ they were off before leaving on vacation. (根据首字母单词拼写) 反馈 收藏
双重锁校验单例 代码如下: 1 public class DoubleCheckedLock { 2 3 // 使用volatile修饰禁止重排序 4 private volatile static DoubleCheckedLock instance; 5 6 private DoubleChec