Method addAdjacent

java/Chapter 4/Question4_2/Node.java:14–21

(Node x)

    }
    
    public void addAdjacent(Node x) {
        if (adjacentCount < 30) {
            this.adjacent[adjacentCount] = x;
            adjacentCount++;
        } else {
            System.out.print("No more adjacent can be added");
        }
    }
    public Node[] getAdjacent() {
        return adjacent;
    }