offered by online social platforms such as Facebook and Twitter is the recommendation of new friends.

data structure you need java One of the main functionalities offered by online social platforms such as Facebook and Twitter is the recommendation of new friends. This is achieved by utilizing various information about the users, but the main factor used for recommending a new friend to a user is how well these two users are connected. A social network such as Facebook can be represented as undirected graph such as the one shown in Figure 1. We can use the information contained in the graph to select the top candidate friends for a given user.