Data structures, Algorithms and system designs

Data structures, Algorithms and system designs

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Depth First Search Implementation in Graph -- Graph //This is a class to define the vertex in a graph public class Vertex { char label ; boolean visited ; public Vertex ( char label ){ this . label = label ; this . visited = false ; } package Graph ; import java.util.ArrayList ; import java.util.HashMap ; import java.util.Iterator ; import java.util.Map ; import java.util.Map.Entry ; // this class is abstract because we won't allow you make instance of it , it is of no use until not extended abstract public class GraphBase { //declaring instance of vertex Vertex vertex ; //declaring an array of vertex to hold all the vertex static Vertex [] vertexlist = new Vertex [ 10 ]; //declaring edgelist to hold all edges key is vertex value is neighbouring vertex static HashMap < Character , ArrayList < Character >> edgelist = new HashMap <>(); //count of vertex and edge static int

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