Answered: (C#)The following statement declares a…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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(C#)The following statement declares a StreamReader object variable called "inputFile". Which statement opens a file named "data.txt" to the StreamReader object?

StreamReader inputFile;

Question 10 options:

	inputFile = open("data.txt");
	inputFile = OpenFile("data.txt");
	inputFile = File.OpenFile("Data.txt");
	inputFile = File.OpenText("Data.txt");

Expert Solution

Step 1

inputFile = File.OpenText("Data.txt");

You can use File.OpenText because it is a static method in the File class that opens a text file, reads its contents and returns a StreamReader object. The StreamReader class provides methods for reading text from a file, such as ReadLine and ReadToEnd, so it is convenient to use File.OpenText to open the file for reading and obtain a StreamReader object in a single line of code.

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