Add Elements to Java ArrayList

Add elements to the Java ArrayList

1) Adding element to the end of the List

boolean add(Object element)
Adds specified element to the end of the ArrayList

2) Insert element in the middle of the ArrayList

void add(int index, Object element)
Inserts specified element into the ArrayList at given index. This method can throw IndexOutOfBoundsException if index is out of range.

3) Append elements of a Collection to ArrayList

boolean addAll(Collection c)
Appends all elements of specified Collection in order returned by the specified Collection’s Iterator.

4) Insert elements of a Collection to ArrayList

boolean addAll(int index, Collection c)
Inserts all elements of the specified collection into ArrayList at given index. This method can throw IndexOutOfBoundsException if index is out of range.


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