You are developing an application by using C#.The application includes an object that performs a long running process.You need to ensure that the garbage collector does not release the object's resources until the process completes.Which garbage collector method should you use?
You are developing an application that uses structured exception handling. The application includes a class named Logger. The Logger class implements a method named Log by using the following code segment: public static void Log(Exception ex) { }You have the following requirements:✑ Log all exceptions by using the Log() method of the Logger class.✑ Rethrow the original exception, including the entire exception stack.You need to meet the requirements. Which code segment should you use?
DRAG DROP -You are developing an application that will include a method named GetData. The GetData() method will retrieve several lines of data from a web service by using a System.IO.StreamReader object.You have the following requirements:✑ The GetData() method must return a string value that contains the entire response from the web service.✑ The application must remain responsive while the GetData() method runs.You need to implement the GetData() method.How should you complete the relevant code? (To answer, drag the appropriate objects to the correct locations in the answer area. Each object may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.)Select and Place:
You are developing an application that includes a class named BookTracker for tracking library books. The application includes the following code segment. (Line numbers are included for reference only.)You need to add a book to the BookTracker instance.What should you do?
You use the Task.Run() method to launch a long-running data processing operation. The data processing operation often fails in times of heavy network congestion.If the data processing operation fails, a second operation must clean up any results of the first operation.You need to ensure that the second operation is invoked only if the data processing operation throws an unhandled exception.What should you do?
You are developing an application that includes a class named Order. The application will store a collection of Order objects.The collection must meet the following requirements:✑ Use strongly typed members.✑ Process Order objects in first-in-first-out order.✑ Store values for each Order object.✑ Use zero-based indices.You need to use a collection type that meets the requirements.Which collection type should you use?
