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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What method is used to close a Scanner in Java?
💡 Hint: Remember the method used to free resources.
Question 2
Easy
True or False: You should close your Scanner after you are done using it.
💡 Hint: Think about resource management.
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 command is used to close a Scanner object?
- sc.stop();
- sc.quit();
- sc.close();
💡 Hint: Think about the method that frees up resources.
Question 2
True or False: It’s only necessary to close the Scanner if it was declared in a method.
- True
- False
💡 Hint: Consider the importance of maintaining good resource management.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a Java application with multiple input scans and demonstrate the problem caused by not closing the Scanner appropriately.
💡 Hint: Think about how resources accumulate without closure.
Question 2
Propose a strategy to ensure Scanner objects are always closed properly in a multi-method application.
💡 Hint: Consider automated management techniques.
Challenge and get performance evaluation