Note: Mod ified code $($add ed new code$)$ highlight $($bold$)$ w ith grey color background.

$//$Design a class named Person

$//$Person$.$ java

public class Person

$\{$

$\frac{\frac{?}{?}}{?}$ person has a name, address, phone number, and email address.

String name;

String address;

String phone;

String email;

$//$Constructor with arguments

public Person$($String pname,String paddress, String phNum, String pemail$)$

$\{$

name $=$ pname ;

address$=$paddress;

phone$=$phivum;

email$=$pemail;

$]$

$(/$ tostring$()$ method to return the name

public String toString$()$

t$.$

return getClass$().$getName$()+""+$name;

$]$

$\}$

$\frac{\frac{?}{?}}{?}$ Student $.$ java

public class Student extends Person

$\{$

$\frac{\frac{?}{?}}{?}$ A student has a class status

$//($freshman$,$ sophomore, junior, or senior$).$

$//$Define the status as a constant.

final int freshman $=1$;

final int sophomore $=2$;

final int junior$=3$;

final int senior $=4$;

String status$=$"freshman";

$\frac{\frac{?}{?}}{?}$ Constructor with arguments

public Student$($String name, String address, String phonenumber,

String email, int Status$)$

$\{$

super $($name$,$ address, phonenumber, email$)$;

if $($Status $==1)$

$\{$

status $=$ "freshman";

$\}.$

if $($Status $==2$

f

status $=$ "sophomore";

$\}.$

if $($Status $==3)$

I.

status $=$ "junior";

$\}.$

if Status $==4$

i

status $=$ "Senior";

$\}.$

status $=$ "Student";

$1$

public String toString$()$

i

return super, toString $()+"+$ status;

$\}$

$\}$

$\frac{\frac{?}{?}}{?}$ Emplovee.java

public class Employee extends Person

$\{$

$\frac{\frac{?}{?}}{?}$ An employee has an office, salary, and date hired.

String office;

double salary;

java.util.Date dateHired;

$//$Constructor with arguments

public Employee $($String name, String address, String phonenumber,

String email, String off, double sal$)$

$\{$

super $($name$,$ address, phonenumber, email$)$:

office$=$off;

$\}.$

salary$=$sal;

public String toString$()$

$\{$

return $($super$.$toString $()+n+$ office $+""+$ salary$)$:

$3$