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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the purpose of the close() method?
💡 Hint: Think about freeing up resources.
Question 2
Easy
Why should you check if a file exists?
💡 Hint: Consider what happens if you try to open a non-existent file.
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 should you call to close a file resource?
💡 Hint: Consider which actions finalize resource usage.
Question 2
True or False: You should always check if a file exists before trying to read it.
- True
- False
💡 Hint: Think about preventing errors.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Create a Java program that reads a configuration file. Ensure you check if the file exists, handle potential exceptions, and use buffered reading to optimize performance.
💡 Hint: Structure your code with try-catch and confirm file presence first.
Question 2
Design a file handling method that writes user data to a file. Demonstrate proper resource management by closing file handlers correctly.
💡 Hint: Focus on minimizing code clutter while ensuring all resources are managed.
Challenge and get performance evaluation