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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does the fail() method do in C++?
💡 Hint: Think about what happens when an attempt to open a file fails.
Question 2
Easy
How would you check for errors after reading from a file in C++?
💡 Hint: Recall how the stream state can affect your operations.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What method would you use to check if the last I/O operation failed?
- check()
- fail()
- error()
💡 Hint: It shares its purpose with diagnosing failures in operations.
Question 2
True or False: The bad() method indicates a minor error in file operations.
- True
- False
💡 Hint: Consider the severity of stream errors.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Write a C++ program that opens a file and includes error handling for both access failure and critical stream errors. Include comments explaining your code.
💡 Hint: Handle both types of errors separately after trying to perform file operations.
Question 2
Design a scenario where it would be important to check both for fail() and bad() while streaming data. Explain your answer.
💡 Hint: Consider transitional states during I/O operations where errors can arise.
Challenge and get performance evaluation