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

public void METHOD_1 ( TYPE_1 VAR_1 ) { if ( ( ( this . VAR_1 ) == null ) || ( ! ( this . VAR_1 . equals ( VAR_1 ) ) ) ) { this . VAR_1 = VAR_1 ; } } 
