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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the primary use of the Scanner class in Java?
💡 Hint: Think about what you would need to get data from a user.
Question 2
Easy
Which method is used to read a full line of input from the Scanner?
💡 Hint: This method is used when the entire input is needed.
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 class is primarily used for obtaining user input in Java?
- Scanner
- InputStream
- BufferedReader
💡 Hint: This class 'scans' the input.
Question 2
True or False: The method nextInt() in the Scanner class is used to read a line of text.
- True
- False
💡 Hint: NextInt is specific to integers.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Write a fully functional program using the Scanner class that repeatedly asks the user for their favorite numbers until they enter 0, and then prints out the total count of numbers entered.
💡 Hint: Remember to check for 0 as a stopping condition.
Question 2
Explain how you would enhance a program that collects user input to validate that the input is a non-empty string using the Scanner class. What changes would you make?
💡 Hint: Use a loop to keep asking until valid input is received.
Challenge and get performance evaluation