public class Fee extends Fo $\{$

$$ public void method$1()\{$

$$ System.out.println$("$Fee $1")$;

$$ super.method$3()$;

$\}$

$$ public void method$3()\{$

$$ System.out.println$("$Fee $3")$;

$\}$

$\}$

public class Fie extends Fum $\{$

$$ public void method$1()\{$

$$ System.out.println$("$Fie $1")$;

$\}$

$$ public void method$3()\{$

$$ System.out.println$("$Fie $3")$;

$$ super.method$3()$;

$\}$

$\}$

public class Fo $\{$

$$ public void method$2()\{$

$$ System.out.println$("$Fo $2")$;

$$ method$3()$;

$\}$

$$ public void method$3()\{$

$$ System.out.println$("$Fo $3")$;

$\}$

$\}$

public class Fum extends Fo $\{$

$$ public void method$3()\{$

$$ System.out.println$("$Fum $3")$;

$\}$

$\}$

Suppose the following variables are defined:

Fum var$1=$new Fie$()$;

Object var$2=$new Fum$()$;

Fo var$3=$new Fee$()$;

Object var$4=$new Fie$()$;

Object var$5=$new Fo$()$;

Fum var$6=$new Fum$()$;var$1.$method$2()$;

var$2.$method$2()$;

var$3.$method$2()$;

var$4.$method$2()$;

var$5.$method$2()$;

var$6.$method$2()$;

var$1.$method$3()$;

var$2.$method$3()$;

var$3.$method$3()$;

var$4.$method$3()$;

var$5.$method$3()$;

var$6.$method$3()$;

$(($Fee$)$ var$3).$method$1()$;

$(($Fee$)$ var$4).$method$1()$;

$(($Fie$)$ var$1).$method$2()$;

$(($Fo$)$ var$3).$method$3()$;

$(($Fie$)$ var$6).$method$2()$;

$(($Fo$)$ var$2).$method$3()$;

$(($Fie$)$ var$3).$method$1()$;

$(($Fo$)$ var$5).$method$2()$;