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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What method do you use to check if a file exists?
💡 Hint: Think about what checks for a file's presence.
Question 2
Easy
How do you create a new File object for 'myfile.txt'?
💡 Hint: Remember how we declare an object in Java.
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 does the method exists() in the File class do?
- Checks the file size
- Checks if the file is readable
- Checks if the file exists
💡 Hint: Focus on the purpose of the method.
Question 2
True or False: The File class can only represent files, not directories.
- True
- False
💡 Hint: Consider what else you can represent with the File class.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Write a Java program that prompts the user for a file name, checks if it exists, and either displays the full path or an error message.
💡 Hint: Use methods from the File class to accomplish this task.
Question 2
Explain how the File class can be used to check file permissions apart from checking existence.
💡 Hint: Think about the various interactions you might need with files.
Challenge and get performance evaluation