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finally done #1542

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finally done #1542

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abeshle
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@abeshle abeshle commented Dec 30, 2024

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@mateacademy-ai-mentor mateacademy-ai-mentor left a comment

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Thank you for your hard work on the ArrayList implementation! 😊 There are a few critical issues that need to be addressed to ensure the functionality meets the task requirements:

  1. Array Growth Logic: The current logic for increasing the array size does not align with the task requirement of growing the array by 1.5 times. This is crucial for maintaining performance as the list grows.

  2. Custom Exception Handling: Ensure that the custom ArrayListIndexOutOfBoundsException is properly defined and consistently used across all methods dealing with indices.

  3. Code Redundancy: The index validation logic is repeated in multiple methods. Extract this logic into a private method to adhere to the DRY principle.

Please address these issues to improve the functionality and maintainability of your code. Keep up the great work, and I'm confident you'll nail it with these adjustments! 🚀

✨ Please rate this review in the Platform's notification center. I will be grateful for your feedback! ✨

🔄 Fix the issues, commit the changes, and then re-request my review using the Re-request review button in the Reviewers tab.

}

@Override
public void addAll(List<T> list) {

T[] newArray = (T[]) new Object[list.size()];

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Creating a new array newArray is unnecessary here. You can directly add elements from the list to the current array using the add method.

for (int i = 0; i < size; i++) {
if (Objects.equals(array[i], element)) {
index = i;

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Consider adding a break statement here to exit the loop once the element is found, as continuing the loop is unnecessary.

}

private void capacity() {
array = Arrays.copyOf(array, array.length + DEFAULT_CAPACITY / 2);

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The capacity method increases the array size by half of the DEFAULT_CAPACITY. Consider doubling the array size instead to ensure better performance when the list grows significantly.

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Review Summary

Great job on your ArrayList implementation! 🎉 Your code has addressed several key points effectively:

  1. Array Growth Logic: You've updated the array growth logic to increase the array size by 1.5 times, which aligns perfectly with the task requirements. Well done! 👍

  2. Custom Exception Handling: The ArrayListIndexOutOfBoundsException is correctly implemented and extends RuntimeException, ensuring proper exception handling in your ArrayList class. This is crucial for robust error management. 👏

  3. Code Redundancy: You've successfully extracted the index validation logic into a private method, adhering to the DRY principle. This makes your code cleaner and more maintainable. 🛠️

While your implementation meets the task requirements, remember to always ensure that custom exceptions like ArrayListIndexOutOfBoundsException are properly defined in your project. This is essential for maintaining code integrity and avoiding runtime issues.

Keep up the great work, and continue to refine your skills! Remember, addressing critical issues early on will help you avoid similar problems in the future. Happy coding! 😊

✨ Please rate this review in the Platform's notification center. I will be grateful for your feedback! ✨

System.arraycopy(array, index, array, index + 1, size - index);
array[index] = value;
} else {
throw new ArrayListIndexOutOfBoundsException(index + " is out of bounds.");

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Ensure that the ArrayListIndexOutOfBoundsException is properly defined in your project. If it's not defined, you need to create this custom exception class.


private void validation(int index) {
if (index < 0 || index >= size) {
throw new ArrayListIndexOutOfBoundsException(index + "Out of bounds");

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Ensure that the ArrayListIndexOutOfBoundsException is properly defined in your project. If it's not defined, you need to create this custom exception class.

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