ARRAYLIST vs LINKEDLIST || Which One Is Better & Why? || Array List Internal Working | TechStackJava

Published: 20 April 2024
on channel: Tech Stack Java

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ArrayList is a type of list in Java that can grow and shrink as needed. The ArrayList is backed by an actual array that can store objects. When you create an ArrayList, it starts with a default size of 10. If you add more items than, it creates a new, larger array and copies the old array into the new one. This process continues as you add more items, with the array size growing by 50% each time. When you remove an item, the empty space is filled by moving the remaining items to the left. This makes the ArrayList efficient and easy to use.
When ArrayList is Good? when you have too much read operation but less insert or delete operation, because it will not take it to too much shifting and new creation

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