#4) SourceForge JUNG: JUNG stands for “Java Universal Network/Graph” and is a Java framework. Dijkstra’s Algorithm In Java. A weighted graph is a graph in which a weight is assigned to each edge to represent distance or costs. Representing relationships between components in electronic circuits. For example, consider below graph . Let's construct a weighted graph from the following adjacency matrix: As the last example we'll show how a directed weighted graph is represented with an adjacency matrix: Notice how with directed graphs the adjacency matrix is not symmetrical, e.g. Viewed 5k times 2 \$\begingroup\$ I am beginner in Java. Consider a directed graph where weight of its edges can be one of x, 2x or 3x (x is a given integer), compute the least cost path from source to destination efficiently. Given a directed and two vertices ‘u’ and ‘v’ in it, find shortest path from ‘u’ to ‘v’ with exactly k edges on the path. Active 4 years, 2 months ago. In this project we builded a directed weighted graph. Question. How to Implement a Directed, Weighted Graph in Java. If source is 1 and destination is 3, least cost path from source to destination is [1, 4, 3] having cost 2. Generic Directed, Weighted Graph with Dijkstra's Shortest Path - DiGraph.java Computer Science Q&A Library How to Implement a Directed, Weighted Graph in Java. It provides graph data structure functionality containing simple graph, directed graph, weighted graph, etc. A graph with no cycles is called a tree. If source is 0 and destination is 2, If there is no simple path possible then return INF(infinite). ... Java Class Template of Graph. Directed weighted Graph Data Structure in Java. Here the edges are the roads themselves, while the vertices are the intersections and/or junctions between these roads. The project was written in JAVA using intellij worksplace. The graph is given as adjacency matrix representation where value of graph[i][j] indicates the weight of an edge from vertex i to vertex j and a value INF(infinite) indicates no edge from i to j.. For example consider the following graph. Given a weighted graph and a starting (source) vertex in the graph, Dijkstra’s algorithm is used to find the shortest distance from the source node to all the other nodes in the graph. as well as algorithms and APIs that work on the graph data structure. Ask Question Asked 4 years, 2 months ago. Given a directed graph, which may contain cycles, where every edge has weight, the task is to find the minimum cost of any simple path from a given source vertex ‘s’ to a given destination vertex ‘t’.Simple Path is the path from one vertex to another such that no vertex is visited more than once. Applications of Graphs. I am learning graph theory and I have implemented a Directed Graph with weights in Java. 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