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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does I/O stand for in programming?
💡 Hint: Think about how programs interact with the world.
Question 2
Easy
Name one class in Java used for obtaining user input.
💡 Hint: This class is commonly used in many tutorials.
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 Scanner class do?
- a) Writes output to a file
- b) Reads user input
- c) Creates new files
💡 Hint: Think about where you would use Scanner in a program.
Question 2
I/O operations are crucial for which aspect of programming?
- True
- False
💡 Hint: Consider how programs interact with users.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a small Java program that uses the Scanner class to obtain user input and then writes a welcome message to a file named welcome.txt. Include error handling.
💡 Hint: Think about how you would initiate the Scanner and structure the file output.
Question 2
Given a scenario where your program needs to log user actions to a file, describe how you would implement I/O effectively while handling potential errors.
💡 Hint: Consider how to manage file access and ensure data is not lost.
Challenge and get performance evaluation