Difference between ArrayList and Array of object [duplicate]

Question

I am not able to make the difference between ArrayList and Array of objects in java. I am just a beginner. Also I am not able to understand that why Array is sorted by Arrays.sort and ArrayList is sorted by Collections.sort if both are array only.

Zach · Accepted Answer · 2016-02-23 20:33:32Z

2

The short answer is arrays have a set size you define where as an arraylist has infinite size. You'll learn a lot about them from the api

https://docs.oracle.com/javase/7/docs/api/java/lang/reflect/Array.html

https://docs.oracle.com/javase/7/docs/api/java/util/ArrayList.html

answered Feb 23, 2016 at 20:33

Zach

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Difference between ArrayList and Array of object [duplicate]

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