public TYPE_1 METHOD_1 ( TYPE_1 VAR_1 ) { VAR_1 . METHOD_2 ( null ) ; return VAR_1 ; } 

public TYPE_1 METHOD_1 ( TYPE_1 VAR_1 ) { if ( VAR_1 != null ) { VAR_1 . METHOD_2 ( null ) ; } return VAR_1 ; } 
