Collection Framework in Java - #9 - Removing Elements from an ArrayList

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This example shows:
- How to remove the element at a given index in an ArrayList | remove(int index)
- How to remove an element from an ArrayList | remove(Object o)
- How to remove all the elements from an ArrayList that exist in a given collection | removeAll()
- How to clear an ArrayList | clear()

#java #collections #javaguides
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all of this videos are explained with examples for begginers or who want to refresh

surafel
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Awesome explanation in practical manner...thanks for sharing your wonderful knowledge to us!

rajkhare
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Difference between ArrayList.clear() and ArrayList.removeAll() ?
Time complexity of ArrayList.clear() is O(n) and of removeAll is O(n^2) so, ArrayList.clear is much faster

talhamajeed
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Sir after that please release oops multi threadings also

mohammadawes
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