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Your company, StoreIt Inc has stored the text of several journals in a Microsoft SQL Server 7.0 database. Each sentence is stored in a separate record so that  the text can be retrieved with the finest granularity. Several of these works are many thousands of printed pages in length. You are building a Web application that will allow registered users to retrieve data from these volumes. When a user of your Web application requests large amounts of text, your application must return it in the most efficient manner possible. How should you build the large String object that is required to provide the most efficient response to the user?

  1. Use a RichTextBox object to hold the data as it is being concatenated.

  2. Use the Append method of the String class.

  3. Use the String class and the & operator.

  4. Use the StringBuilder class.

Answer: Answer is d
Further Reading:

Useful resources, StringBuilder class

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