What are the differences between arrays and ArrayLists in Java?
An example of an AI chatbot conversation about differences between arrays and ArrayLists in Java.
What are the differences between arrays and ArrayLists in Java?
Arrays are fixed in size and can hold primitive types, while ArrayLists are dynamic and can only hold objects.
Can you explain the performance differences between them?
Sure! Arrays have faster access times due to their fixed size, while ArrayLists have overhead for resizing and managing elements.
When should I use an ArrayList instead of an array?
Use ArrayLists when you need a resizable array or when you frequently add or remove elements.
Are there any limitations to using ArrayLists?
Yes, ArrayLists cannot store primitive types directly and may have performance overhead compared to arrays.
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