.remove()
Published Jun 30, 2022
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The .remove()
method removes an item from the underlying collection of an Iterator
or a ListIterator
object. This method removes the current element (i.e., the one returned by the last .next()
or .previous()
method).
Syntax
iterator.remove();
Where iterator
is an Iterator
or ListIterator
object.
Example
This example populates an ArrayList
and then removes the even items with the .remove()
method:
import java.util.*;public class Example {public static void main(String args[]) {// Create a new ArrayListArrayList l = new ArrayList();// Add some items to the ArrayListl.add(1);l.add(2);l.add(3);l.add(4);l.add(5);Iterator i = l.iterator();// Loop through ArrayList contentswhile(i.hasNext()) {int item = (Integer) i.next();// If item is even remove the elementif (item % 2 == 0) {i.remove();}}System.out.println(l);}}
This results in the following output:
[1, 3, 5]
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