Edge class for Reverse-delete mst

package reverse_delete;

public class Edge implements Comparable{
    private int startPoint;
    private int endPoint;
    private float weight;

    public Edge(int startPoint, int endPoint, float weight) {
        this.startPoint = startPoint;
        this.endPoint = endPoint;
        this.weight = weight;
    }

    public int getStartPoint() {
        return startPoint;
    }

    public int getEndPoint() {
        return endPoint;
    }

    public float getWeight() {
        return weight;
    }

    public Edge opposite(){
        Edge e = new Edge(endPoint, startPoint, weight);
        return e;
    }

    public boolean equals(Edge other) {
        if (this.startPoint == other.startPoint) {
            if (this.endPoint == other.endPoint) {
                return true;
            }
        }
        return false;
    }

    public int compareTo(Object o) {
        Edge other = (Edge) o;
        // inverse comparison to get decreasing order
        return Double.compare(other.weight, this.weight);
    }

    public String toString() {
        return startPoint + "-" + endPoint + " (" + weight + ")";
    }

}