Re: [jgrapht-users] Null Edge

[Ismail M. <mar...@gm...>]

Slam Alekom Mohamed,

It compiles and runs fine in my machine
The output is like this:
([v1, v2, v3, v4], [{v1,v2}, {v2,v3}, {v3,v4}, {v4,v1}])

I guess it's something not related to the code it self but to
(configurations , IDE , compilation etc.. )

On Wed, Jul 6, 2011 at 5:18 AM, Mohammad Islam <msi...@ua...> wrote:

> Hello,
>
> Here is the code. It is copied from the HelloJGraphT program.
>
> UndirectedGraph<String, DefaultEdge> g =
>             new SimpleGraph<String, DefaultEdge>(DefaultEdge.class);
>
>         String v1 = "v1";
>         String v2 = "v2";
>         String v3 = "v3";
>         String v4 = "v4";
>
>         // add the vertices
>         g.addVertex(v1);
>         g.addVertex(v2);
>         g.addVertex(v3);
>         g.addVertex(v4);
>
>         // add edges to create a circuit
>         g.addEdge(v1, v2);
>         g.addEdge(v2, v3);
>         g.addEdge(v3, v4);
>         g.addEdge(v4, v1);
>
>         System.out.println(g.toString());
>
>
> On Tue, Jul 5, 2011 at 5:13 PM, Ismail Marmoush <mar...@gm...>wrote:
>
>> try to provide some code please
>>
>> On Tue, Jul 5, 2011 at 7:28 PM, Mohammad Islam <msi...@ua...>wrote:
>>
>>> Hello,
>>>
>>> I am a new member of this list and a new user of JGrapht. I was trying to
>>> build a graph using the provided HelloJGraphT program. The program runs well
>>> but when I was trying to print the Graph using toString I found that all the
>>> edges are null. Here is the output
>>>
>>> ([v1, v2, v3, v4], [null={v1,v2}, null={v2,v3}, null={v3,v4},
>>> null={v4,v1}])
>>>
>>> Even when I tried to get the set of edges and try to print the
>>> edges separately I got null edges. So what may be the problem.
>>>
>>> --
>>> Mohammad Saiful Islam
>>> MSc(Thesis)
>>> Dept of Computing Science
>>> University of Alberta
>>>
>>>
>>>
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>>>
>>
>
>
> --
> Mohammad Saiful Islam
> MSc(Thesis)
> Dept of Computing Science
> University of Alberta
>
>