Practice - Writing to a File
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions
What class is used to write to a file in Java?
💡 Hint: It's part of the Java I/O classes.
True or False: You must close the PrintWriter after writing to a file.
💡 Hint: Think about data integrity.
3 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the purpose of the PrintWriter class?
💡 Hint: Think about what you do when you want to keep a note.
True or False: FileWriter can be used to read from a file.
💡 Hint: Consider what the name implies.
Get performance evaluation
Challenge Problems
Push your limits with advanced challenges
Write a Java program that creates a file, writes ten random numbers to it, and handles any IOException that may occur.
💡 Hint: Remember to handle exceptions properly.
Modify the previous program to append a new set of ten random numbers to the same file without overwriting it.
💡 Hint: Think about how appending is different from writing.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.