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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What exception occurs when dividing a number by zero?
💡 Hint: Think of what happens with division operations.
Question 2
Easy
What do you call an exception that arises from accessing an invalid array index?
💡 Hint: Focus on arrays and their limits.
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 exception is thrown when an invalid index is accessed in an array?
- NullPointerException
- FileNotFoundException
- ArrayIndexOutOfBoundsException
💡 Hint: Think about what happens when accessing array elements.
Question 2
True or False: NumberFormatException occurs when trying to convert a string to a number that is not properly formatted.
- True
- False
💡 Hint: Consider what data types are involved in conversions.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Create a Java program that reads a file and demonstrates how to handle a FileNotFoundException effectively.
💡 Hint: Think about the proper syntax for file handling and exception management.
Question 2
Write a Java method that takes an input string and attempts to convert it to an integer, handling all exceptions that could arise.
💡 Hint: Consider validations to ensure input safety.
Challenge and get performance evaluation