/*
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 */
package graphalgorithms;

/**
 *
 * @author piyush
 */
import java.util.*;
        
public class Graph {
    private List<Vertex> vertices= new ArrayList<>();
    private List<Edge> edges= new ArrayList<>();
    private Map adjMat= new HashMap();
    private boolean madeAdjacencyMatrix= false;
    
    Graph(ArrayList <Vertex> vertices, ArrayList <Edge> edges){
        this.vertices=vertices;
        this.edges=edges;
    }
    
    public void addVertex(Vertex vertex){
        this.vertices.add(vertex);
    }
    
    public void addEdge(Edge edge){
        this.edges.add(edge);
        if (this.madeAdjacencyMatrix)
    }
    
    public void makeAdjacencyMatrix(){
        this.madeAdjacencyMatrix=true;
        
    
    }
    
    public Map getAdjacencyMatrix(){
        if (madeAdjacencyMatrix==False){
            this.makeAdjacencyMatrix();
            
        }
        
        return this.adjMat;
    }
    
}

@@ -991,9 +991,9 @@
 ix==
-F
+f
 alse

Update Graph.java