Iterator example

ItrExample.java

import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

public class ItrExample {
    public static void main(String[] args) {

        List<String> list2 = List.of("item11","item22","item33"); //create a list

        Iterator<String> itr = list2.iterator(); // create list iterator

        while(itr.hasNext()){
            System.out.println(itr.next());
        }

        Map<String,String> map = new HashMap<String,String>(); //create a map
        map.put("item1", "item1-content");
        map.put("item2", "item2-content");
        map.put("item3", "item3-content");

        Iterator entrySIterator = map.values().iterator(); //create map values iterator

        while(entrySIterator.hasNext()){
            System.out.println(entrySIterator.next());
        }
    }   
}