Method addKeyword

AhoCorasick.java:15–21

(String keyword)

    // Step 1: Build the Trie
    public void addKeyword(String keyword) {
        TrieNode currentNode = root;
        for (char c : keyword.toCharArray()) {
            currentNode = currentNode.children.computeIfAbsent(c, k -> new TrieNode());
        }
        currentNode.output.add(keyword);
    }

    // Step 2: Build Failure Links
    public void buildFailureLinks() {