Searches for a given edge in the graph
public void searchEdge ( int src , int dest ) { Iterator set = graph . get ( src ) . iterator ( ) ; if ( graph . get ( src ) . contains ( dest ) ) System . out . println ( " Edge ▁ from ▁ " + src + " ▁ to ▁ " + dest + " ▁ found " ) ; else System . out . println ( " Edge ▁ from ▁ " + src + " ▁ to ▁ " + dest + " ▁ not ▁ found " ) ; System . out . println ( ) ; }