can i asking for the euler souce code?

hello sir,
 
i am a student where have a project that need to using Java 1.3.1 to draw a graph and solve the problem of Euler cycle and euler path..it have to detect wheather it got the euler cycle or euler path...
i have done with my drawing graph part...
but now i have to asking sir's help that can sir send me the souce code for euler?
 
or did sir have any related web site?
 
thanks
 
hope can hear from sir as soon as possible
 
very tahnks you


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