package main; import org.graphstream.graph.*; import org.graphstream.graph.implementations.*; public class Main { public static void main(String[] args) { Graph graph = new SingleGraph("Tutorial 1"); graph.addNode("A"); graph.addNode("B"); graph.addNode("C"); graph.addEdge("AB", "A", "B"); graph.addEdge("BC", "B", "C"); graph.addEdge("CA", "C", "A"); graph.display(); } }