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Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What class do you use to write to a file in Java?
💡 Hint: Think of the class that begins with 'File'.
Question 2
Easy
What do you call the value returned by the read() method when the end of file is reached?
💡 Hint: This is a special integer value.
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 is the primary purpose of FileWriter in Java?
- To read from a file
- To write to a file
- To delete a file
💡 Hint: Think about how we handle output in Java.
Question 2
True or False: FileReader can only read binary files.
- True
- False
💡 Hint: Consider the type of data FileReader handles.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Create a Java program that writes five lines of text to a file and then reads that file back to display the contents on the console.
💡 Hint: Make sure to use \\n for new lines when writing.
Question 2
Handle a scenario where a file might not exist and gracefully catch the exception using FileReader.
💡 Hint: Think about using a try-catch block for handling exceptions.
Challenge and get performance evaluation