**What are the difference between Tree and Graph Data Structure?**

*Below are some important difference between trees and graphs:*

*1. Tree is a hierarchical model structure and Graph is network model.*

*2. All trees are graphs But all graphs are not trees.*

*3. There must be a root node in tree and there is no such kind of root node in graphs.*

*4. Tree contains no loops, no circuits but Graph may contain self-loops, loops.*

*5. Tree must be connected but Graph may not be connected.*

*6. A tree is a special kind of graph that there is only one way to get from X to Y, but in a graph there are multiple paths to get from point X to point Y.*

*7. We do traversal on trees, but we do searching on graphs.*

*8. If tree have “n” vertices then it must have maximum of “n-1” edges, but in graphs number of edges doesn’t depend on the number of vertices.*

*9. Trees are used for sorting and traversing, but graphs are used for graph coloring and job scheduling.*

*10. Trees are less in complexity compared to graphs, but high complexity than trees due to loops.*

*11. Trees can be classified as Binary tree, Binary search tree, AVL trees, Heaps, but graphs are like directed graphs and undirected graphs.*

**Thanks**

**Mukesh Rajput**
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Thanks

Mukesh Rajput