C Sharp (C#) - File IOHow can you safely read a file and ensure it is closed automatically even if an error occurs?ACall StreamReader.Close() manually after readingBUse a using statement with StreamReaderCUse File.ReadAllText without any try-catchDOpen file with FileStream and never close itCheck Answer
Step-by-Step SolutionSolution:Step 1: Understand resource managementUsing statement ensures automatic disposal of StreamReader even on exceptions.Step 2: Compare other optionsManual Close may be skipped on errors; ReadAllText reads but no error handling; never closing file causes resource leaks.Final Answer:Use a using statement with StreamReader -> Option BQuick Check:Using statement ensures safe file closing [OK]Quick Trick: Wrap StreamReader in using to auto-close file [OK]Common Mistakes:MISTAKESForgetting to close filesRelying on manual CloseIgnoring exceptions
Master "File IO" in C Sharp (C#)9 interactive learning modes - each teaches the same concept differentlyLearnWhyDeepVisualTryChallengeProjectRecallTime
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