import java.util.*;

public class Demo2
{
    public static void main(String[] args)
    {
	ArrayList<String> a = new ArrayList<>();

	a.add("b");
	a.add("a");
	a.add("g");

	System.out.println("For loop:");
        for (int i = 0; i < a.size(); i++ )
            System.out.println( a.get(i) );

	System.out.println("\nForeach loop:");
        for (String i: a)
            System.out.println( i );


	System.out.println("\nIterator:");
	Iterator<String> myItr = a.iterator();

	while ( myItr.hasNext() )
	{
	    String e = myItr.next();
	    System.out.println( e );
        }
    }
}