src/com.example.portfolio3/com/example/portfolio3/Edge.java



package com.example.portfolio3;

// origin: <https://moodle.ruc.dk/course/section.php?id=211877>

/// foo
public class Edge {

    /// foo
    private Vertex from, to;

    /// foo
    private int weight;

    /// foo
    /// @return Vertex
    public final Vertex from() {
        return from;
    }

    /// foo
    /// @return Vertex
    public final Vertex to() {
        return to;
    }

    /// foo
    /// @return int
    public final int weight() {
        return weight;
    }

    /// foo
    /// @param from  foo
    /// @param to    foo
    /// @param w     foo
    Edge(final Vertex from, final Vertex to, final int w) {
        this.from = from;
        this.to = to;
        weight = w;
    }

    /// foo
    /// @return String
    public final String toString() {
        return from.name() + " - " + weight + " -> " + to.name();
    }
}