Practice Example: Array Index Exception (7.6) - Chapter 7: Exception Handling in Java

Practice: Example: Array Index Exception

Lesson 7.6Exception Handling in Java

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10 questions

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6 sample questions

Question 1.
What will happen if you access an index out of bounds in an array?
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Think about what happens if you exceed array limits.
Question 2.
Write a short code snippet that catches an ArrayIndexOutOfBoundsException.
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Remember to wrap the risky code in try and catch the exception.
3Question 3.
What does the ArrayIndexOutOfBoundsException indicate?
- Index is out of bounds
- Array is empty
- Array is null
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Think about what happens when you try to access a non-existent spot in the array.
4Question 4.
Using a try-catch block helps to prevent what?
- True
- False
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Consider the purpose of exception handling.
Question 5.
Write a program that accepts user input for an index and safely accesses the corresponding array value, using exception handling.
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Validate user input before accessing the array.
Question 6.
Expand the program to consider backing up the array values into another list when catching the exception. Explain how this can be done.
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Use try-catch while manipulating arrays and consider data structures.

6 more questions in this section. Enroll free to practise them all.