public void METHOD_1 ( TYPE_1 VAR_1 ) { VAR_1 . METHOD_2 ( ) . sum ( VAR_1 . METHOD_3 ( ) ) ; } 

public void METHOD_1 ( TYPE_1 VAR_1 ) { if ( VAR_1 != null ) { VAR_1 . METHOD_2 ( ) . sum ( VAR_1 . METHOD_3 ( ) ) ; } } 
