Difference between Tree and Graph ?

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 Q1. Difference between Tree and Graph ?Data Structures
Ans. Graph contain cycles whereas Trees cannot.

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Related Questions

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 Write an Algorithm for Graph Traversal ? The Graph has a loop.
 Given a graph, find if it represents a tree
 What will be the output upon executing main method

public class Graph {
   private static Multimap<Integer,Integer> adjacentDirectedNodesMap = ArrayListMultimap.create();
      adjacentDirectedNodesMap.put(1, 2);
      adjacentDirectedNodesMap.put(1, 3);
      adjacentDirectedNodesMap.put(1, 4);
      adjacentDirectedNodesMap.put(3, 5);
      adjacentDirectedNodesMap.put(4, 5);
   public static void main(String[] args){
      ArrayList visited = new ArrayList();
      Integer startNode = 1;
      for(Integer adjacentNodes: adjacentDirectedNodesMap.get(startNode)){
 Given the list of adjacent nodes, What will be the Breadth First path

1 -> 2
1 -> 3
1 -> 6
2 -> 4
3 -> 5
 Given the list of adjacent nodes, What will be the Depth First path

1 -> 2
1 -> 3
1 -> 6
2 -> 4
3 -> 5
 What will happen in a graph traversal if we don't have a check for cycle
 Find all paths of length L in an acyclic graph

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