Reverse a Single Linked List in Java using Recursion

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This is a program to reverse a linked list using recursion.
    public String reverseList()    {
        return reverseList(this, new StringBuffer()).toString();
    }
    private StringBuffer reverseList(LinkedList L, StringBuffer sb)    {
        if(L!=null)    {
            reverseList(L.next, sb);
            sb.append(L.data).append(", ");
        }
        return sb;
    }