In this program, we are going to share DFS traversal program in java with the output. If you are a Java beginner and want to start learning the Java programming, then keep your close attention in this tutorial as I am going to share how to write a DFS traversal program in java with the output.
Copy the below Java program and execute it with the help of Javac compiler. At the end of this program, We have shared the output of this program.
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import java.io.*; import java.util.*; class DFSProgram { private int V; private LinkedList<Integer> adj[]; Graph(int v) { V = v; adj = new LinkedList[v]; for (int i=0; i<v; ++i) adj[i] = new LinkedList(); } void addEdge(int v, int w) { adj[v].add(w); } void DFSUtil(int v,boolean visited[]) { visited[v] = true; System.out.print(v+" "); Iterator<Integer> i = adj[v].listIterator(); while (i.hasNext()) { int n = i.next(); if (!visited[n]) DFSUtil(n, visited); } } void DFS(int v) { boolean visited[] = new boolean[V]; DFSUtil(v, visited); } public static void main(String args[]) { Graph g = new Graph(4); g.addEdge(0, 1); g.addEdge(0, 2); g.addEdge(1, 2); g.addEdge(2, 0); g.addEdge(2, 3); g.addEdge(3, 3); System.out.println("Following is Depth First Traversal " + "(starting from vertex 2)"); g.DFS(2); } } |
Following is Depth First Traversal (starting from vertex 2)
2 0 1 3
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