Java AbstractSequentialList | iterator() method

AbstractSequentialList iterator() method in Java is used to get an Iterator or List Iterator over a list. It returns an iterator over the elements in this list (in proper sequence). This method overrides iterator() in class AbstractList<E>

Syntax:

public Iterator<E> iterator()

Return Value: This method returns an iterator over the elements in this list (in proper sequence).



Below is the code to illustrate iterator() method:

Program 1:

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// Java program to demonstrate
// iterator() method
  
import java.util.*;
  
public class GfG {
  
    public static void main(String[] args)
    {
        // Creating an instance of the AbstractSequentialList
        AbstractSequentialList<Integer> absl = new LinkedList<>();
  
        // adding elements to absl
        absl.add(5);
        absl.add(6);
        absl.add(7);
        absl.add(2, 8);
        absl.add(2, 7);
        absl.add(1, 9);
        absl.add(4, 10);
  
        // Getting Iterator
        Iterator<Integer> Itr = absl.iterator();
  
        // Traversing elements with help of iterator
        while (Itr.hasNext()) {
            System.out.print(Itr.next() + " ");
        }
    }
}

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Output:

5 9 6 7 10 8 7

Program 2:

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// Java program to demonstrate
// iterator() method
  
import java.util.*;
  
public class GfG {
  
    public static void main(String[] args)
    {
        // Creating an instance of the AbstractSequentialList
        AbstractSequentialList<String> absl = new LinkedList<>();
  
        // adding elements to absl
        absl.add("Geeks");
        absl.add("ForGeeks");
        absl.add("A");
        absl.add("Portal");
        absl.add(3, "Computer Science");
        absl.add(5, "For Geeks");
  
        // Getting Iterator
        Iterator<String> Itr = absl.iterator();
  
        // Traversing elements with help of iterator
        while (Itr.hasNext()) {
            System.out.println(Itr.next());
        }
    }
}

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Output:

Geeks
ForGeeks
A
Computer Science
Portal
For Geeks


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