Node root;

void setup (){
  
  root = new Node( 10, null, null );
  root.addLeftChild( 11 );
  root.left.addLeftChild( 334341 );  
  root.left.addRightChild( 10 );  
  root.left.left.addRightChild( 33434342 );  
  root.left.left.addLeftChild( 3334 );  
  root.left.right.addLeftChild( 6342 );  
  root.left.right.addRightChild( 63 );  
    
  Node temp = root;
  for( int i=0; i<5; i++ ) {
     temp.addRightChild( i );
     temp = temp.right;
  }
 
  println( size( root ) );  
  println( "\n\n" );
  
  displayTreeSide( root, 0, "" );

  println( "\n\n" );
  println( "\n\n" );

  displayTreeSide( root, "", " ", "" );
}

int size( Node n ) { 
  if( n == null ) {
    return 0;
  } else {
    return size(n.left) + 1 + size(n.right); 
  }
}





   public void displayTreeSide( Node n, int level, String prefix ) {
      
      if(n == null) return;
      
      displayTreeSide( n.left, level+1,  "  /" );
      String space = " ";
      for( int i=0; i<level; i++ ) {
        space += "   ";
      }
      println( space + prefix + "-- " + n.data );
      displayTreeSide( n.right, level+1,  "  \\" ); 
     
   }
   
   
   
   
   
   public void displayTreeSide( Node n, String leftPre, String rootPre, String rightPre ) {
      
      if(n == null) return;
      
      String rootSpaces = String.format("%" + String.valueOf(n.data).length() + "s", "");
      leftPre += rootSpaces;
      rightPre += rootSpaces;

      displayTreeSide( n.left, leftPre + "    ", leftPre + " ,-- ", leftPre + " |  " );
      println( rootPre + n.data );
      displayTreeSide( n.right, rightPre + " |  ", rightPre + " `-- ", rightPre + "    "); 
   }