Driver code
public static void main ( String args [ ] ) { Node root = new Node ( 1 ) ; root . left = new Node ( 2 ) ; root . right = new Node ( 3 ) ; System . out . println ( " Specific ▁ Level ▁ Order ▁ traversal " + " ▁ of ▁ binary ▁ tree ▁ is " ) ; specific_level_order_traversal ( root ) ; } }