单项选择题 You are developing an application to perform mathematical calculations. You develop a class named CalculationValues.You write a procedure named PerformCalculation that operates on an instance of the class.You need to ensure that the user interface of the application continues to respond while calculations are being performed.You need to write a code segment that calls the PerformCalculation procedure to achieve this goal.Which code segment should you use?()
单项选择题 您正在开发一个协助用户进行电子调查的应用程序。调查由25个对错判断题组成。您需要执行下列任务:将每个答案预置为是()。最大程度地减少每次调查使用的内存量。您应该选择哪个存储选项?
单项选择题 您需要创建一个方法,清除命名为q的Queue,您应该使用哪一个代码片段?()