public void delete ( ) { VAR_1 . remove ( this ) ; VAR_2 . remove ( this ) ; if ( VAR_2 . isEmpty ( ) ) VAR_3 = VAR_4 ; } 

public void delete ( ) { super . delete ( ) ; VAR_2 . remove ( this ) ; if ( VAR_2 . isEmpty ( ) ) VAR_3 = VAR_4 ; } 
