Method compareTo

src/main/java/edu/princeton/cs/algs4/Edge.java:94–97

Compares two edges by weight. Note that compareTo() is not consistent with equals(), which uses the reference equality implementation inherited from Object. @param that the other edge @return a negative integer, zero, or positive integer depending on whether the wei

(Edge that)

     *         argument edge
     */
    @Override
    public int compareTo(Edge that) {
        return Double.compare(this.weight, that.weight);
    }

    /**
     * Returns a string representation of this edge.