What are the differences between ArrayList and Array in Java?
An example of an AI chatbot conversation about ArrayList vs Array in Java.
What are the differences between ArrayList and Array in Java?
ArrayList is a resizable array implementation of the List interface, while an Array is a fixed-size data structure.
Can you explain the advantages of using ArrayList over Array?
Sure! ArrayLists can grow dynamically, provide built-in methods for manipulation, and are easier to use for collections of objects.
Are there any performance differences between them?
Yes, ArrayLists have some overhead due to dynamic resizing, while Arrays are faster for fixed-size collections.
When should I use an Array instead of an ArrayList?
Use an Array when you know the size in advance and need better performance for primitive types.
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