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Add link to official ArrayList documentation (#19787)

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Sharon Gao
2018-10-18 12:55:16 -04:00
committed by Aditya
parent 247da72538
commit 39fa46348e
1 changed files with 3 additions and 0 deletions
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guide/english/java/arraylist/index.md
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@ -67,3 +67,6 @@ Since ArrayList implements *List*, an ArrayList can be created using the followi
An ArrayList allows us to randomly access elements. ArrayList is similar to *Vector* in a lot of ways. But it is faster than Vectors. The main thing to note is that - Vectors are faster than arrays but ArrayLists are not. An ArrayList allows us to randomly access elements. ArrayList is similar to *Vector* in a lot of ways. But it is faster than Vectors. The main thing to note is that - Vectors are faster than arrays but ArrayLists are not.
So when it comes down to choosing between the two - if speed is critical then Vectors should be considered, otherwise ArrayLists are better when it comes to storing large number of elements and accessing them efficiently. So when it comes down to choosing between the two - if speed is critical then Vectors should be considered, otherwise ArrayLists are better when it comes to storing large number of elements and accessing them efficiently.
## More Information
- [ArrayList Documentation](https://docs.oracle.com/javase/8/docs/api/java/util/ArrayList.html)