public void METHOD_1 ( TYPE_1 VAR_1 ) { VAR_1 . METHOD_2 ( this ) ; this . VAR_2 . add ( VAR_1 ) ; }
public void METHOD_1 ( TYPE_1 VAR_1 ) { if ( ! ( VAR_2 . contains ( VAR_1 ) ) ) { VAR_1 . METHOD_2 ( this ) ; this . VAR_2 . add ( VAR_1 ) ; } } 
