public class Vertex {
    private final Integer vertexLabel;
    private final Integer sequence;
    private final Integer occupancy;

    public Vertex(Integer vertexLabel, Integer sequence, Integer occupancy) {
        this.vertexLabel = vertexLabel;
        this.sequence = sequence;
        this.occupancy = occupancy;
    }

    public Integer getVertexLabel() { return vertexLabel; }

    public Integer getSequence() {
        return sequence;
    }

    public Integer getOccupancy() {
        return occupancy;
    }
}