Dijkstra QItem

package com.company;

public  class QItem implements Comparable<QItem> {
    long prio;
    int v;

    public QItem(long prio, int v) {
        this.prio = prio;
        this.v = v;
    }

    public int compareTo(QItem q) {
        return prio < q.prio ? -1 : prio > q.prio ? 1 : 0;
    }
}