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Difference between array and arraylist.
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Answer Posted / prem
Array:
It is mainly used to store and retrive similar datatype
elements.
It is a limited storage.
So it's size not growable and shrinkable.
It will create array out of bound exception while we adding
more elements in an array after exceeding array size..
While we remove elements from array,the array size will be
same.size will not get reduce.
ArrayList:
It is a class.
It is a collection.
It is used to store different datatype objects.
It is growable and shirnkable.
So whenever we add elements in an ArrayList the size of
ArrayList will grow..While we remove element from an
ArrayList the size of ArrayList will get reduce..
So memory will get save..
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