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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What class is used to create a file in Java?
💡 Hint: Think about the Java class dedicated to representing files.
Question 2
Easy
Which method of the File class checks if a file already exists?
💡 Hint: It's a method often used to check file state.
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 class should you use to write text data to a file?
- FileReader
- Scanner
- FileWriter
💡 Hint: Think about the class name that suggests writing.
Question 2
Is it necessary to close a file writer after writing?
- True
- False
💡 Hint: Remember what happens if you leave resources open.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Write a complete Java program that creates a file, writes multiple lines of text, reads back the content, and finally deletes the file. Explain each step.
💡 Hint: Break down the tasks: first create, then write, read, and finally delete.
Question 2
Discuss how file handling can affect performance when dealing with large data sets. What optimizations can you implement?
💡 Hint: Consider strategies on how to minimize bottlenecks in data handling.
Challenge and get performance evaluation