ListIterator.java

import java.util.ArrayList;
import java.util.ListIterator;

public class ListIteratorPractice {
	public static void main(String[] args) {
		// Creating an object of ArrayList class
        ArrayList al = new ArrayList();
 
        // Iterating over Arraylist object
        for (int i = 0; i < 10; i++)
 
            // Adding elements to the Arraylist object
            al.add(i);
 
        // Print and display all elements inside object
        // created above
        System.out.println(al);
 
        // At beginning ltr(cursor) will point to
        // index just before the first element in al
        ListIterator ltr = al.listIterator();
 
        // Checking the next element availability
        while (ltr.hasNext()) {
            //  Moving cursor to next element
            int i = (Integer)ltr.next();
 
            // Getting even elements one by one
            System.out.print(i + " ");
 
            // Changing even numbers to odd and
            // adding modified number again in
            // iterator
           if(i%2==0) {
                // Set method to change value
               ltr.set(99);
                // To add
                ltr.add(100);
        }
        }
 
        // Print and display statements
        System.out.println();
        System.out.println(al);
	}
}