class Graph {
class Edge {
int src, dest;
}
int vertices, edges;
Edge[] edge;
Graph(int vertices, int edges) {
this.vertices = vertices;
this.edges = edges;
edge = new Edge[edges];
for(int i = 0; i < edges; i++) {
edge[i] = new Edge();
}
}
public static void main(String[] args) {
int noVertices = 5;
int noEdges = 8;
Graph g = new Graph(noVertices, noEdges);
g.edge[0].src = 1;
g.edge[0].dest = 2;
g.edge[1].src = 1;
g.edge[1].dest = 3;
g.edge[2].src = 1;
g.edge[2].dest = 4;
g.edge[3].src = 2;
g.edge[3].dest = 4;
g.edge[4].src = 2;
g.edge[4].dest = 5;
g.edge[5].src = 3;
g.edge[5].dest = 4;
g.edge[6].src = 3;
g.edge[6].dest = 5;
g.edge[7].src = 4;
g.edge[7].dest = 5;
for(int i = 0; i < noEdges; i++) {
System.out.println(g.edge[i].src + " - " + g.edge[i].dest);
}
}
}