class TrieNode {
    private List<TrieNode> children;
    private boolean endOfWord;
    private char letter;

    TrieNode() {
        this.children = new List<>();
        this.endOfWord = false;
        this.letter ='\0';
    }

    TrieNode(char character) {
        this.children = new List<>();
        this.endOfWord = false;
        this.letter = character;
    }

    public TrieNode(List value) {
        this.children = value;
        this.endOfWord = false;
    }

    public List<TrieNode> getChildren() {

        return this.children;
    }

    public void setChildren(List<TrieNode> children) {
        this.children = children;
    }

    public boolean getEndOfWord() {

        return this.endOfWord;
    }

    public void setEndOfWord(boolean endOfWord) {

        this.endOfWord = endOfWord;
    }

    public char getLetter() {
        return this.letter;
    }

    public void setLetter(char letter) {
        this.letter = letter;
    }

    @Override
    public String toString() {
        String s = "";
        s += this.getLetter();
        return s;
    }
}