Driver program
public static void main ( String args [ ] ) { BinaryTree tree = new BinaryTree ( ) ; tree . root = new Node ( 10 ) ; tree . root . left = new Node ( 20 ) ; tree . root . right = new Node ( 30 ) ; tree . root . left . right = new Node ( 40 ) ; tree . root . left . left = new Node ( 50 ) ; tree . root . right . left = new Node ( 60 ) ; tree . root . left . left . left = new Node ( 80 ) ; tree . root . right . right = new Node ( 70 ) ; tree . root . left . left . right = new Node ( 90 ) ; tree . root . left . right . left = new Node ( 80 ) ; tree . root . left . right . right = new Node ( 90 ) ; tree . root . right . left . left = new Node ( 80 ) ; tree . root . right . left . right = new Node ( 90 ) ; tree . root . right . right . left = new Node ( 80 ) ; tree . root . right . right . right = new Node ( 90 ) ; if ( tree . isFullTree ( tree . root ) ) System . out . print ( " The ▁ binary ▁ tree ▁ is ▁ full " ) ; else System . out . print ( " The ▁ binary ▁ tree ▁ is ▁ not ▁ full " ) ; } }