BFS vs DFS for graph

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    private void dfs(Digraph G, int v) { 
        marked[v] = true;
        for (int w : G.adj(v)) {
            if (!marked[w]) {
                edgeTo[w] = v;
                dfs(G, w);
            }
        }
    }

    private void bfs(Digraph G, int s) {
        Queue<Integer> q = new Queue<Integer>();
        marked[s] = true;
        distTo[s] = 0;
        q.enqueue(s);
        while (!q.isEmpty()) {
            int v = q.dequeue();
            for (int w : G.adj(v)) {
                if (!marked[w]) {
                    edgeTo[w] = v;
                    distTo[w] = distTo[v] + 1;
                    marked[w] = true;
                    q.enqueue(w);
                }
            }
        }
    }