Remove ArrayList elements

We can use remove() method of ArrayList to delete/remove elements from ArrayList There are 4 overloaded “remove” methods defined in ArrayList 1) Object remove(int index); 2) boolean remove(Object o); 3) boolean removeAll(Collection c); 4) protected void removeRange(int fromIndex, int toIndex); 1) Object remove(int index) Removes the element at the specified position in the list. Example […]

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Add elements in ArrayList

We can use add() method of ArrayList to insert new elements to ArrayList There are 4 overloaded “add” methods defined in ArrayList 1) boolean add(Object o); 2) void add(int index, Object o); 3) boolean addAll(Collection

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