public void METHOD_1 ( TYPE_1 VAR_1 ) { if ( VAR_1 . equals ( this . VAR_1 ) ) { this . VAR_1 = VAR_1 ; TYPE_2 . METHOD_2 ( ) ; TYPE_2 . METHOD_3 ( ) ; } } 

public void METHOD_1 ( TYPE_1 VAR_1 ) { if ( ! ( VAR_1 . equals ( this . VAR_1 ) ) ) { this . VAR_1 = VAR_1 ; TYPE_2 . METHOD_2 ( ) ; TYPE_2 . METHOD_3 ( ) ; } } 
