public Node getChild(final int index) {
		if (childNodes == null) {
			return null;
		}
		if ((index < 0) || (index >= childNodes.size())) {
			return null;
		}
		return childNodes.get(index);
	}
public Node getChild ( final int index ) { if ( childNodes == null ) { return null ; } if ( ( index < 0 ) || ( index >= childNodes . size ( ) ) ) { return null ; } return childNodes . get ( index ) ; }
Returns a child node at given index or <code>null</code>
if child doesn't exist for that index.