private void METHOD_1 ( java.lang.Object arg ) throws TYPE_1 { for ( TYPE_2 c : this . VAR_1 ) { c . METHOD_2 ( null ) ; } } 

private void METHOD_1 ( java.lang.Object arg ) throws TYPE_1 { for ( TYPE_2 c : this . VAR_1 ) { c . METHOD_2 ( arg ) ; } } 
