How to check if a given path is possible child of another path?

Question

I am trying to find if given path is possible child of another path using java. Both path may not exist.

Say c:\\Program Files\\My Company\\test\\My App

Answer 1

File parent = maybeChild.getParentFile();
while ( parent != null ) {
  if ( parent.equals( possibleParent ) )
    return true;
  parent = parent.getParentFile();
}
return false;