text: public void insert(String key, char val) {int len = key.length() + 1; if (freenode + len > eq.length) {redimNodeArrays(eq.length + BLOCK_SIZE);}char strkey[] = new char[len--];key.getChars(0, len, strkey, 0);strkey[len] = 0;root = insert(root, strkey, 0, val);}