单项选择题 You are writing an application that uses SOAP to exchange data with other applications. You use a Department class that inherits from ArrayList to send objects to another application. The Department object is named dept. You need to ensure that the application serializes the Department object for transport by using SOAP. Which code should you use?（）
单项选择题 You are writing a method to compress an array of bytes. The array is passed to the method in a parameter named document. You need to compress the incoming array of bytes and return the result as an array of bytes. Which code segment should you use?（）
单项选择题 You have developed an application that simplifies hard drive management for Certkiller .coms administrators. The application that you created logs all modifications made to physical hard drives on an hourly basis. You now need to create an EventQuery object for this application. What should you do?（）
