Java ArrayList Constructors

ArrayList Constructors

1) ArrayList()
Creates an empty ArrayList.

Example
ArrayList arrayList = new ArrayList();

2) ArrayList(int capacity)
Creates an ArrayList with specified initial capacity.

Example
ArrayList arrayList = new ArrayList(10);

3) ArrayList(Collection c)
Creates an ArrayList containing elements of the collection specified.

Example
ArrayList arrayList = new ArrayList(myCollection);

Where myCollection is an object of the type Collection.

Creates ArrayList of elements containing in the myCollection, in order returned by the myCollection’s Iterator.


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