public String toString() {String up = parent!=null ? parent.toString() : "";if ( up.length()==0 ) {if ( returnState == EMPTY_RETURN_STATE ) {return "$";}return String.valueOf(returnState);}return String.valueOf(returnState)+" "+up;}

public String toString ( ) { String up = parent != null ? parent . toString ( ) : "" ; if ( up . length ( ) == 0 ) { if ( returnState == EMPTY_RETURN_STATE ) { return "$" ; } return String . valueOf ( returnState ) ; } return String . valueOf ( returnState ) + " " + up ; }
public override string ToString(){string up = parent != null ? parent.ToString() : "";if (up.Length == 0){if (returnState == EMPTY_RETURN_STATE){return "$";}return returnState.ToString();}return returnState.ToString() + " " + up;}
