import java.util.*; public class graphTest { public static void main(String args[]) { myGraph g = new myGraph(2); g.addVertex("Boston"); g.addVertex("Seattle"); g.deleteVertex("New York City"); g.addEdge("Boston", "New York City"); g.addVertex("New York City"); g.addEdge("Boston", "New York City"); g.addEdge("Boston", "Seattle"); String[] bostonsNeighbors; bostonsNeighbors = g.getNeighbors("Boston"); System.out.println("The neighbors of Boston are:"); for(int i = 0; i < bostonsNeighbors.length; i++) System.out.println(bostonsNeighbors[i]); System.out.println("======================="); String[][] triangles = g.listTriangles(); System.out.println("The number of triangles is " + triangles.length); if(triangles.length > 0) for(int i = 0; i < triangles.length; i++) System.out.println(triangles[i][0] + " " + triangles[i][1] + " " + triangles[i][2]); System.out.println("======================="); g.addVertex("Dallas"); g.addEdge("Seattle", "Dallas"); g.addEdge("Dallas", "Boston"); g.addEdge("Dallas", "New York City"); bostonsNeighbors = g.getNeighbors("Boston"); System.out.println("The neighbors of Boston are:"); for(int i = 0; i < bostonsNeighbors.length; i++) System.out.println(bostonsNeighbors[i]); System.out.println("======================="); String[] dallasNeighbors = g.getNeighbors("Dallas"); System.out.println("The neighbors of Dallas are:"); for(int i = 0; i < dallasNeighbors.length; i++) System.out.println(dallasNeighbors[i]); System.out.println("======================="); triangles = g.listTriangles(); System.out.println("The number of triangles is " + triangles.length); if(triangles.length > 0) for(int i = 0; i < triangles.length; i++) System.out.println(triangles[i][0] + " " + triangles[i][1] + " " + triangles[i][2]); System.out.println("======================="); g.addVertex("Los Angeles"); g.addVertex("San Francisco"); g.addEdge("San Francisco", "Seattle"); g.addEdge("San Francisco", "Los Angeles"); g.addEdge("Seattle", "Los Angeles"); triangles = g.listTriangles(); System.out.println("The number of triangles is " + triangles.length); if(triangles.length > 0) for(int i = 0; i < triangles.length; i++) System.out.println(triangles[i][0] + " " + triangles[i][1] + " " + triangles[i][2]); System.out.println("======================="); g.deleteVertex("Seattle"); bostonsNeighbors = g.getNeighbors("Boston"); for(int i = 0; i < bostonsNeighbors.length; i++) System.out.println(bostonsNeighbors[i]); System.out.println("======================="); } }