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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 'try' keyword in Java?
💡 Hint: Think about where errors might occur in your code.
Question 2
Easy
What does the 'catch' block do?
💡 Hint: Recall what happens when an error occurs.
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 keyword is used to catch exceptions in Java?
- try
- catch
- throw
- throws
💡 Hint: Look at keywords related to error handling.
Question 2
True or False: The 'finally' block is executed only if an exception occurs.
- True
- False
💡 Hint: Think about the purpose of the finally block.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Create a Java program that reads a file and gracefully handles any exceptions that may arise during the process.
💡 Hint: Think about how you can verify if a file exists before reading.
Question 2
Design a method that throws a custom exception when a user's input age is below a certain threshold.
💡 Hint: Don't forget to create the custom exception class with a meaningful message.
Challenge and get performance evaluation