public void METHOD_1 ( TYPE_1 listener ) { TYPE_2 . METHOD_2 ( listener ) ; if ( ! ( VAR_1 . contains ( listener ) ) ) { VAR_1 . add ( listener ) ; } }
public void METHOD_1 ( TYPE_1 listener ) { if ( ! ( VAR_1 . contains ( listener ) ) ) { VAR_1 . add ( listener ) ; } }