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2 cards from this section. Quick, good the night before a test.
What does I/O stand for in programming?
Think about how programs interact with the world.
Name one class in Java used for obtaining user input.
This class is commonly used in many tutorials.
What does the Scanner class do?
Think about where you would use Scanner in a program.
I/O operations are crucial for which aspect of programming?
Consider how programs interact with users.
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.
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.
Consider how to manage file access and ensure data is not lost.
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