import java.util.*;

public class Util
{
    public static final int NEWLINE = 10;

    public String[] outputToString (LinkedList<String> output)
    {
        Iterator<String> iter = output.descendingIterator();

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

    private Util ()
    {
    }
}
@@ -92,16 +92,21 @@
 lic 
+static 
 String
-%5B%5D
  out
@@ -211,16 +211,46 @@
 rator();
+%0A        String toReturn = %22%22;
 %0A%0A      
@@ -300,50 +300,119 @@
     
-System.out.println(iter.next());%0A        %7D
+int v = Integer.getInteger(iter.next());%0A%0A            toReturn += (char) v;%0A        %7D%0A%0A        return toReturn;
 %0A   

Update Util.java