$1$classA$\{$

$2$publicintx,y;

$3$publicA$($inta$,$intb$)\{$

$4$x$=$a;

$5$y$=$b;

$6\}$

$7$publicvoidsetX$($inta$)\{$x$=$a;$\}$

$8$publicintf$($inta$)\{$returna$*$y;$\}$

$9\}$

$10$

$11$classMain$\{$

$12$publicstaticvoidmain$($String$[]$args$)\{$

$13$Aa$1=$newA$(1,2)$;

$14$inti$=$a$1.$f$(10)$;

$15$a$1.$setX$(3)$;

$16$Aa$2=$a$1$;

$17\}$

$18\}$ to drawing program dependency graph