第四十九道Java小问题

import java.util.ArrayList;
import java.util.Arrays;
import java.util.ListIterator;
public class Test {
	public static void main(String[] args) throws Exception {

		ArrayList<String> a = new ArrayList<String>(
				Arrays.asList("A B C D E F G H I J K".split(" ")));
		ListIterator<String> i = a.listIterator();
		i.add("L");
		System.out.print(i.previousIndex());
		System.out.print(i.nextIndex());
		i.next();
		System.out.print(i.previousIndex());
		System.out.print(i.nextIndex());
		i.remove();
		System.out.print(i.previousIndex());
		System.out.print(i.nextIndex());

	}
}

 

 

请问以上程序的输出是：