Driver code
public static void main ( String args [ ] ) { int preOrder [ ] = { 1 , 2 , 4 , 5 , 3 , 6 , 7 } ; int preOrderMirror [ ] = { 1 , 3 , 7 , 6 , 2 , 5 , 4 } ; int size = preOrder . length ; Node root = new Node ( ) ; conBinaryTree ( root , preOrder , preOrderMirror , size ) ; } }