![]() Inserts the specified element at the specified position index in this list. ![]() The capacity grows automatically as elements are added to an array list.Īpart from the methods inherited from its parent classes, ArrayList defines the following methods − Sr.No. The capacity is the size of the underlying array that is used to store the elements. This constructor builds an array list that has the specified initial capacity. This constructor builds an array list that is initialized with the elements of the collection c. This constructor builds an empty array list. When objects are removed, the array may be shrunk.įollowing is the list of the constructors provided by the ArrayList class. When this size is exceeded, the collection is automatically enlarged. After arrays are created, they cannot grow or shrink, which means that you must know in advance how many elements an array will hold.Īrray lists are created with an initial size. ![]() ![]() Standard Java arrays are of a fixed length. ArrayList supports dynamic arrays that can grow as needed. The ArrayList class extends AbstractList and implements the List interface. ![]()
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