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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What will happen if you access an index out of bounds in an array?
💡 Hint: Think about what happens if you exceed array limits.
Question 2
Easy
Write a short code snippet that catches an ArrayIndexOutOfBoundsException.
💡 Hint: Remember to wrap the risky code in try and catch the exception.
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 does the ArrayIndexOutOfBoundsException indicate?
- Index is out of bounds
- Array is empty
- Array is null
💡 Hint: Think about what happens when you try to access a non-existent spot in the array.
Question 2
Using a try-catch block helps to prevent what?
- True
- False
💡 Hint: Consider the purpose of exception handling.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Write a program that accepts user input for an index and safely accesses the corresponding array value, using exception handling.
💡 Hint: Validate user input before accessing the array.
Question 2
Expand the program to consider backing up the array values into another list when catching the exception. Explain how this can be done.
💡 Hint: Use try-catch while manipulating arrays and consider data structures.
Challenge and get performance evaluation