Everything seems correct to me?!?!
package de.codegym.task.task07.task0715;
import java.util.ArrayList;
/*
Mehr Sam-I-Am
*/
public class Solution {
public static void main(String[] args) throws Exception {
ArrayList<String> list = new ArrayList<String> ();
list.add ( "Sam" );
list.add ( "I" );
list.add ("am");
for (int i = list.size(); i > 0; i--) {
list.add(i, "Ham");}
System.out.println(list.get(0));
System.out.println(list.get(1));
System.out.println(list.get(2));
System.out.println(list.get(3));
System.out.println(list.get(4));
}}