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Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the purpose of the Scanner class in Java?
💡 Hint: Think about user interactions in a program.
Question 2
Easy
How do you create a Scanner object?
💡 Hint: Remember the syntax for creating objects.
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 is the correct way to create a Scanner object?
- Scanner sc = new Scanner();
- Scanner sc = new Scanner(System.in);
- Scanner sc = new Scanner(null);
💡 Hint: Think about how we specify sources in Java.
Question 2
Is it necessary to close a Scanner after using it?
- True
- False
💡 Hint: Think about resource management.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Create a Java program that uses a Scanner to ask the user for their favorite color and then prints a message with the input. Ensure to handle exceptions if the input is not as expected.
💡 Hint: Make sure to use a try-catch to handle potential input errors.
Question 2
Modify the previous program to ask for a number after the color and print both values. How would you handle input if they input a non-numeric value for the number?
💡 Hint: Think about input validation and exception handling.
Challenge and get performance evaluation