Find all the ancestor nodes of  a node in BT.

void findAncestorsOfNode( Node node, int[] arr, int val, int length){

if( node == null){
return ;
}

arr[length++] = node.getValue();

if( node.getValue() == val ){

for( int i = 0 ; i < length-1 ; i++){
System.out.print( arr[i] + "  ");
}
System.out.println();
return ;

}else{
findAncestorsOfNode( node.getLeftNode(), arr, val, length);
findAncestorsOfNode( node.getRightNode(), arr, val, length);
}

}