edge

• This class represents the set of operations applicable on a
• directional edge(src,dest) in a (directional) weighted graph.
• @authors YosefTwito and EldarTakach

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The edge:

edge's parameters:

1. int src - the source-node of this edge.
2. int dest - the destination-node of this edge
3. int tag - assistant tag for functions.
4. double weight - the weight of the edge.
5. String info - save extra info (might be empty).

The functions of the edge are:

Getters/Setters :

• to adjust an existing edge (src, dest and weight cannot be changed).

Constructors:

1. edge(int src, int dest, double w).
2. edge(edge o). (copy, for some functions return value).