How do you declare the size of an ArrayList?

Methods Modifier and Type Method and Description boolean add[Ee]

Appends the specified element to the end of this list.

void add[intindex, Eelement]

Inserts the specified element at the specified position in this list.

boolean addAll[CollectionE>c]

Appends all of the elements in the specified collection to the end of this list, in the order that they are returned by the specified collection's Iterator.

boolean addAll[intindex, CollectionE>c]

Inserts all of the elements in the specified collection into this list, starting at the specified position.

void clear[]

Removes all of the elements from this list.

Object clone[]

Returns a shallow copy of this ArrayList instance.

boolean contains[Objecto]

Returns true if this list contains the specified element.

void ensureCapacity[intminCapacity]

Increases the capacity of this ArrayList instance, if necessary, to ensure that it can hold at least the number of elements specified by the minimum capacity argument.

E get[intindex]

Returns the element at the specified position in this list.

int indexOf[Objecto]

Returns the index of the first occurrence of the specified element in this list, or -1 if this list does not contain the element.

boolean isEmpty[]

Returns true if this list contains no elements.

Iterator iterator[]

Returns an iterator over the elements in this list in proper sequence.

int lastIndexOf[Objecto]

Returns the index of the last occurrence of the specified element in this list, or -1 if this list does not contain the element.

ListIterator listIterator[]

Returns a list iterator over the elements in this list [in proper sequence].

ListIterator listIterator[intindex]

Returns a list iterator over the elements in this list [in proper sequence], starting at the specified position in the list.

E remove[intindex]

Removes the element at the specified position in this list.

boolean remove[Objecto]

Removes the first occurrence of the specified element from this list, if it is present.

boolean removeAll[Collectionc]

Removes from this list all of its elements that are contained in the specified collection.

protected void removeRange[intfromIndex, inttoIndex]

Removes from this list all of the elements whose index is between fromIndex, inclusive, and toIndex, exclusive.

boolean retainAll[Collectionc]

Retains only the elements in this list that are contained in the specified collection.

E set[intindex, Eelement]

Replaces the element at the specified position in this list with the specified element.

int size[]

Returns the number of elements in this list.

List subList[intfromIndex, inttoIndex]

Returns a view of the portion of this list between the specified fromIndex, inclusive, and toIndex, exclusive.

Object[] toArray[]

Returns an array containing all of the elements in this list in proper sequence [from first to last element].

T[] toArray[T[]a]

Returns an array containing all of the elements in this list in proper sequence [from first to last element]; the runtime type of the returned array is that of the specified array.

void trimToSize[]

Trims the capacity of this ArrayList instance to be the list's current size.

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