11.1 - Introduction to Input/Output in Java
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Practice Questions
Test your understanding with targeted questions
What does I/O stand for in programming?
💡 Hint: Think about how programs interact with the world.
Name one class in Java used for obtaining user input.
💡 Hint: This class is commonly used in many tutorials.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does the Scanner class do?
💡 Hint: Think about where you would use Scanner in a program.
I/O operations are crucial for which aspect of programming?
💡 Hint: Consider how programs interact with users.
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Challenge Problems
Push your limits with advanced challenges
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.
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.
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Reference links
Supplementary resources to enhance your learning experience.