Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
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 mock test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What Java class is used to create new files?
💡 Hint: Think of the class that starts with 'F'.
Question 2
Easy
What method do you use to write data to a file?
💡 Hint: It's associated with a specific class for writing.
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
Which class is used for writing data to files in Java?
- File
- FileWriter
- Scanner
💡 Hint: It starts with 'File' and is related to writing.
Question 2
True or False: Scanner can only be used for reading keyboard input in Java.
- True
- False
💡 Hint: Think about where else Scanner can read from.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Write a program that reads from a file, counts how many words are in it, and prints the total count.
💡 Hint: Remember to use hasNext() rather than hasNextLine() for counting words.
Question 2
Create a program that ensures a user cannot write to a file unless it exists. If it doesn't exist, prompt the user to create it first.
💡 Hint: Incorporate user interaction through the console for creating files.
Challenge and get performance evaluation