Needs help in editing
 

Hi guys: Can any one please help me how to i do the changes in my
program according to the following 4 changes.

1) Create a Date type birth data instance field in the Employee class,
not a String

2) Enlarge the constructors for the Employee class and subclasses to
pass the int month, int day, and int year of the birth date as input
by the user to PayrollSystemTest to the subclass constructor, and then
to the Employee class constructor

3) Input from the user for the 5 specific employees and then comment
out the hardcoding for the 4 employees in the original code

4) Report monthly salary amounts and include the November birthday
bonus

import java.util.ArrayList;
import java.util.Date;
import java.util.Scanner;

public class Employee {

String socialSecurity;
String birthDate;

public Employee(String socialSecurity, String birthDate){
this.birthDate = birthDate;
this.socialSecurity = socialSecurity;
}

public String getSocialSecurity(){
return socialSecurity;
}

public String getBirthDate(){
return birthDate;
}

public String toString(){
return ("Employee: Social security " + socialSecurity
+ " date of birth " + birthDate);
}

public static void main(String[] args) {

Scanner keyboard = new Scanner(System.in);
System.out.println("Enter employees one by one");
ArrayList<Employee> ar = new ArrayList<Employee>();

while(true){
System.out.println(" Employee types available:");
System.out.println("");
System.out.println("1-Salaried Employee");
System.out.println("2-Hourly Employee");
System.out.println("3-Commission Employee");
System.out.println("4-Based Salary Commission
Employee");
System.out.println("");
System.out.println("Enter employee type (1-4) .
Finish list with type 0: ");

String typeString = keyboard.next();
// boolean goodInput = true;
int type = -1;
try{
type = Integer.parseInt(typeString);
} catch(Exception ex){

}

if(type <0 || type > 4){
System.out.println("Invalid type. Please, try
again. ");
continue;
}

if(type == 0)break;

System.out.println("Enter social security: ");
String social = keyboard.next();
System.out.println("Enter date of birth: ");
String birth = keyboard.next();

boolean goodInput = true;
switch(type){
case 1:
System.out.println("Enter salary: ");
String salString = keyboard.next();
double salary = -1.0;
try{
salary =
Double.parseDouble(salString);
} catch(Exception ex){

}
if(salary < 0){
System.out.println("Invalid input. Try
again");
goodInput = false;
break;
}
SalariedEmployee emp = new
SalariedEmployee(social, birth, salary);
ar.add(emp);
break;

case 2:
System.out.println("Enter hourly wage:
");
String hourlyString = keyboard.next();
System.out.println("Enter hours worked:
");
String hoursString =
keyboard.next();
double hourlyWage = -1.0;
double hoursWorked = -1.0;
try{
hourlyWage =
Double.parseDouble(hourlyString );
hoursWorked =
Double.parseDouble(hoursString );
} catch(Exception ex){

}

if(hourlyWage < 0.0 || hoursWorked < 0.0){
System.out.println("Invalid input. Try
again");
goodInput = false;
break;
}
HourlyEmployee emp1 = new
HourlyEmployee(social, birth, hourlyWage, hoursWorked);
ar.add(emp1);
break;

case 3:
System.out.println("Enter
commission rate: ");
String commissionString =
keyboard.next();
System.out.println("Enter gross sales: ");
String salesString =
keyboard.next();
double commissionRate = -1.0;
double grossSales = -1.0;
try{
commissionRate =
Double.parseDouble(commissionString );
grossSales =
Double.parseDouble(salesString );
} catch(Exception ex){

}

if(commissionRate < 0.0 || grossSales <
0.0){
System.out.println("Invalid input. Try
again");
goodInput = false;
break;
}
CommissionEmployee emp2 = new
CommissionEmployee(social, birth, commissionRate, grossSales);
ar.add(emp2);
break;

case 4:
System.out.println("Enter
commission rate: ");
commissionString = keyboard.next();
System.out.println("Enter gross sales: ");
salesString =
keyboard.next();
System.out.println("Enter salary: ");
salString = keyboard.next();
commissionRate = -1.0;
grossSales = -1.0;
salary = -1.0;
try{
commissionRate =
Double.parseDouble(commissionString );
grossSales =
Double.parseDouble(salesString );
salary =
Double.parseDouble(salString );
} catch(Exception ex){

}
if(commissionRate < 0.0 || grossSales
< 0.0 || salary < 0){
System.out.println("Invalid input. Try
again");
goodInput = false;
break;
}

SalaryBasedCommissionEmployee emp3 = new
SalaryBasedCommissionEmployee(social, birth, commissionRate,
grossSales, salary);
ar.add(emp3);
}





}

for (int i = 0; i < ar.size(); i++) {
Employee employee = ar.get(i);
System.out.println(employee);
}


}


}

class SalariedEmployee extends Employee{
double salary;

public SalariedEmployee(String socialSecurity, String
birthDate, double salary){
super(socialSecurity, birthDate);
this.salary = salary;

}

public double getSalary(){
return salary;
}


public String toString(){
return ("Salaried Employee: Social security " +
socialSecurity + " date of birth " + birthDate + " salary " +
salary);
}

}

class HourlyEmployee extends Employee {
double hourlyWage;
double hoursWorked;

public HourlyEmployee(String socialSecurity, String
birthDate, double hourlyWage, double hoursWorked){
super(socialSecurity, birthDate);
this.hourlyWage = hourlyWage;
this.hoursWorked = hoursWorked;

}

public String toString(){
return ("Hourly Employee: Social security " +
socialSecurity + " date of birth " + birthDate + " hourlyWage
" + hourlyWage + " hoursWorked " + hoursWorked);
}


}

class CommissionEmployee extends Employee {
double grossSales;
double commissionRate;


public CommissionEmployee(String socialSecurity, String
birthDate, double grossSales, double commissionRate){
super(socialSecurity, birthDate);
this.grossSales = grossSales;
this.commissionRate = commissionRate;

}

public String toString(){
return ("Commission Employee: Social security " +
socialSecurity + " date of birth " + birthDate + " Commission
Rate " + commissionRate + " Gross Sales " + grossSales);
}


}

class SalaryBasedCommissionEmployee extends CommissionEmployee
{
double salary;



public SalaryBasedCommissionEmployee(String
socialSecurity, String birthDate, double grossSales, double
commissionRate, double salary){
super(socialSecurity, birthDate, grossSales,
commissionRate);
this.salary = salary;


}

public String toString(){
return ("Salary Based Commission Employee: Social
security " + socialSecurity + " date of birth " + birthDate +
" Commission Rate " + commissionRate
+ " Gross Sales " + grossSales + " Salary " +
salary);
}


}

Re: Needs help in editing
 

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Le 23/06/2011 20:25, Eric a écrit :
> 1) Create a Date type birth data instance field in the Employee class,
> not a String

org.joda.time.DateTime from Joda-time library

> 2) Enlarge the constructors for the Employee class and subclasses to
> pass the int month, int day, and int year of the birth date as input
> by the user to PayrollSystemTest to the subclass constructor, and then
> to the Employee class constructor

What the usefulness ?
Datetime can be parsed directly from text like 2011-06-24 (ISO format or
other) and constructors *must* take Datetime in parameter, not
month/day/year.
Ultimately, make a DateFactory or use Joda-time API to convert fields to
datetime.

> 3) Input from the user for the 5 specific employees and then comment
> out the hardcoding for the 4 employees in the original code

public enum EmployeeType {
SALARIED, HOURLY, COMMISSION, SALARY_BASED_COMMISSION
}

And please :
— Learn Java, all those questions are very very basic…
— Don't post so many and so ugly craps code…

- --
Aeris
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Re: Needs help in editing
 

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Le 24/06/2011 00:35, Aéris a écrit :
>> 3) Input from the user for the 5 specific employees and then comment
>> > out the hardcoding for the 4 employees in the original code
> public enum EmployeeType {
> SALARIED, HOURLY, COMMISSION, SALARY_BASED_COMMISSION
> }

I forgot to say you must use an EmployeeFactory to create employee from
user input (with reflection for example) to avoid harcoded craps switch
case.

- --
Aeris
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Re: Needs help in editing
 

I think we are being asked to someone's school assignment. Better he
does it himself.

On 11-06-23 02:25 PM, Eric wrote:
> Hi guys: Can any one please help me how to i do the changes in my
> program according to the following 4 changes.
>
> 1) Create a Date type birth data instance field in the Employee class,
> not a String
>
> 2) Enlarge the constructors for the Employee class and subclasses to
> pass the int month, int day, and int year of the birth date as input
> by the user to PayrollSystemTest to the subclass constructor, and then
> to the Employee class constructor
>
> 3) Input from the user for the 5 specific employees and then comment
> out the hardcoding for the 4 employees in the original code
>
> 4) Report monthly salary amounts and include the November birthday
> bonus
>
> import java.util.ArrayList;
> import java.util.Date;
> import java.util.Scanner;
>
> public class Employee {
>
> String socialSecurity;
> String birthDate;
>
> public Employee(String socialSecurity, String birthDate){
> this.birthDate = birthDate;
> this.socialSecurity = socialSecurity;
> }
>
> public String getSocialSecurity(){
> return socialSecurity;
> }
>
> public String getBirthDate(){
> return birthDate;
> }
>
> public String toString(){
> return ("Employee: Social security " + socialSecurity
> + " date of birth " + birthDate);
> }
>
> public static void main(String[] args) {
>
> Scanner keyboard = new Scanner(System.in);
> System.out.println("Enter employees one by one");
> ArrayList<Employee> ar = new ArrayList<Employee>();
>
> while(true){
> System.out.println(" Employee types available:");
> System.out.println("");
> System.out.println("1-Salaried Employee");
> System.out.println("2-Hourly Employee");
> System.out.println("3-Commission Employee");
> System.out.println("4-Based Salary Commission
> Employee");
> System.out.println("");
> System.out.println("Enter employee type (1-4) .
> Finish list with type 0: ");
>
> String typeString = keyboard.next();
> // boolean goodInput = true;
> int type = -1;
> try{
> type = Integer.parseInt(typeString);
> } catch(Exception ex){
>
> }
>
> if(type<0 || type> 4){
> System.out.println("Invalid type. Please, try
> again. ");
> continue;
> }
>
> if(type == 0)break;
>
> System.out.println("Enter social security: ");
> String social = keyboard.next();
> System.out.println("Enter date of birth: ");
> String birth = keyboard.next();
>
> boolean goodInput = true;
> switch(type){
> case 1:
> System.out.println("Enter salary: ");
> String salString = keyboard.next();
> double salary = -1.0;
> try{
> salary =
> Double.parseDouble(salString);
> } catch(Exception ex){
>
> }
> if(salary< 0){
> System.out.println("Invalid input. Try
> again");
> goodInput = false;
> break;
> }
> SalariedEmployee emp = new
> SalariedEmployee(social, birth, salary);
> ar.add(emp);
> break;
>
> case 2:
> System.out.println("Enter hourly wage:
> ");
> String hourlyString = keyboard.next();
> System.out.println("Enter hours worked:
> ");
> String hoursString =
> keyboard.next();
> double hourlyWage = -1.0;
> double hoursWorked = -1.0;
> try{
> hourlyWage =
> Double.parseDouble(hourlyString );
> hoursWorked =
> Double.parseDouble(hoursString );
> } catch(Exception ex){
>
> }
>
> if(hourlyWage< 0.0 || hoursWorked< 0.0){
> System.out.println("Invalid input. Try
> again");
> goodInput = false;
> break;
> }
> HourlyEmployee emp1 = new
> HourlyEmployee(social, birth, hourlyWage, hoursWorked);
> ar.add(emp1);
> break;
>
> case 3:
> System.out.println("Enter
> commission rate: ");
> String commissionString =
> keyboard.next();
> System.out.println("Enter gross sales: ");
> String salesString =
> keyboard.next();
> double commissionRate = -1.0;
> double grossSales = -1.0;
> try{
> commissionRate =
> Double.parseDouble(commissionString );
> grossSales =
> Double.parseDouble(salesString );
> } catch(Exception ex){
>
> }
>
> if(commissionRate< 0.0 || grossSales<
> 0.0){
> System.out.println("Invalid input. Try
> again");
> goodInput = false;
> break;
> }
> CommissionEmployee emp2 = new
> CommissionEmployee(social, birth, commissionRate, grossSales);
> ar.add(emp2);
> break;
>
> case 4:
> System.out.println("Enter
> commission rate: ");
> commissionString = keyboard.next();
> System.out.println("Enter gross sales: ");
> salesString =
> keyboard.next();
> System.out.println("Enter salary: ");
> salString = keyboard.next();
> commissionRate = -1.0;
> grossSales = -1.0;
> salary = -1.0;
> try{
> commissionRate =
> Double.parseDouble(commissionString );
> grossSales =
> Double.parseDouble(salesString );
> salary =
> Double.parseDouble(salString );
> } catch(Exception ex){
>
> }
> if(commissionRate< 0.0 || grossSales
> < 0.0 || salary< 0){
> System.out.println("Invalid input. Try
> again");
> goodInput = false;
> break;
> }
>
> SalaryBasedCommissionEmployee emp3 = new
> SalaryBasedCommissionEmployee(social, birth, commissionRate,
> grossSales, salary);
> ar.add(emp3);
> }
>
>
>
>
>
> }
>
> for (int i = 0; i< ar.size(); i++) {
> Employee employee = ar.get(i);
> System.out.println(employee);
> }
>
>
> }
>
>
> }
>
> class SalariedEmployee extends Employee{
> double salary;
>
> public SalariedEmployee(String socialSecurity, String
> birthDate, double salary){
> super(socialSecurity, birthDate);
> this.salary = salary;
>
> }
>
> public double getSalary(){
> return salary;
> }
>
>
> public String toString(){
> return ("Salaried Employee: Social security " +
> socialSecurity + " date of birth " + birthDate + " salary " +
> salary);
> }
>
> }
>
> class HourlyEmployee extends Employee {
> double hourlyWage;
> double hoursWorked;
>
> public HourlyEmployee(String socialSecurity, String
> birthDate, double hourlyWage, double hoursWorked){
> super(socialSecurity, birthDate);
> this.hourlyWage = hourlyWage;
> this.hoursWorked = hoursWorked;
>
> }
>
> public String toString(){
> return ("Hourly Employee: Social security " +
> socialSecurity + " date of birth " + birthDate + " hourlyWage
> " + hourlyWage + " hoursWorked " + hoursWorked);
> }
>
>
> }
>
> class CommissionEmployee extends Employee {
> double grossSales;
> double commissionRate;
>
>
> public CommissionEmployee(String socialSecurity, String
> birthDate, double grossSales, double commissionRate){
> super(socialSecurity, birthDate);
> this.grossSales = grossSales;
> this.commissionRate = commissionRate;
>
> }
>
> public String toString(){
> return ("Commission Employee: Social security " +
> socialSecurity + " date of birth " + birthDate + " Commission
> Rate " + commissionRate + " Gross Sales " + grossSales);
> }
>
>
> }
>
> class SalaryBasedCommissionEmployee extends CommissionEmployee
> {
> double salary;
>
>
>
> public SalaryBasedCommissionEmployee(String
> socialSecurity, String birthDate, double grossSales, double
> commissionRate, double salary){
> super(socialSecurity, birthDate, grossSales,
> commissionRate);
> this.salary = salary;
>
>
> }
>
> public String toString(){
> return ("Salary Based Commission Employee: Social
> security " + socialSecurity + " date of birth " + birthDate +
> " Commission Rate " + commissionRate
> + " Gross Sales " + grossSales + " Salary " +
> salary);
> }
>
>
> }

Re: Needs help in editing
 

On Jun 23, 3:39*pm, Aéris <ae...@imirhil.fr> wrote:
> I forgot to say you must use an EmployeeFactory to create employee from
> user input (with reflection for example) to avoid harcoded craps switch
> case.

Silly advice to give a newbie.

Actually, silly advice to give anyone. There's no "must use" in
factory methods or classes. Reflection is an elephant gun for
shooting fleas; simple polymorphism suffices in most cases.

--
Lwq

Re: Needs help in editing
 

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Le 24/06/2011 17:42, lewbloch a écrit :
> Reflection is an elephant gun for
> shooting fleas; simple polymorphism suffices in most cases.

I totally aggree.

But with this (craps) code and because constructors with different
prototype, reflection is unavoidable?

- --
Aeris
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Re: Needs help in editing
 

Aéris wrote:
> lewbloch a écrit :
>> Reflection is an elephant gun for
>> shooting fleas; simple polymorphism suffices in most cases.

> I totally aggree.
>
> But with this (craps) code and because constructors with different
> prototype, reflection is unavoidable?
>

Reflection is mostly avoidable. A little light use of 'Class#newInstance()'
with package-private builders called by a factory method isn't very risky and
avoids the typical mad craziness of looking up 'Method' or 'Constructor'
instances. If you're going down that latter route, leave programming to those
better equipped for it.

If you think heavy use of reflection will fix crappy code, boy are you ever
wrong. **** piled on top of **** only smells worse.

--
Lew
Honi soit qui mal y pense.
http://upload.wikimedia.org/wikipedi.../c/cf/Friz.jpg

Re: Needs help in editing
 

William Colls wrote:
> I think we are being asked to someone's school assignment. Better he does it
> himself.
>

PLEASE do not top-post.

The OP showed us what he's starting with and asked for _help_, not to "" his
assignment. (I assume your missing verb is "do".)

So let's give him some help, if that's OK with you, O Snarky One?

> On 11-06-23 02:25 PM, Eric wrote:
>> Hi guys: Can any one please help me how to i [sic] do the changes in my
>> program according to the following 4 changes.
>>
>> 1) Create a Date type birth data instance field in the Employee class,
>> not a String

Do you know how to declare a variable to be of a certain type?

It's done like this:

SomeType variable;

Do you know where the 'Date' type is in the standard Java API?
<http://download.oracle.com/javase/6/docs/api/java/util/package-frame.html>

Do you know how to declare instance members?
<http://download.oracle.com/javase/tutorial/java/javaOO/classvars.html>

>> 2) Enlarge the constructors for the Employee class and subclasses to
>> pass the int month, int day, and int year of the birth date as input
>> by the user to PayrollSystemTest to the subclass constructor, and then
>> to the Employee class constructor

Do you know how to pass arguments to a constructor? It's very similar to how
to pass arguments to a method.
<http://www.oracle.com/technetwork/java/index-jsp-135888.html>
<http://www.oracle.com/technetwork/java/prog-140388.html#const>
<http://download.oracle.com/javase/tutorial/java/javaOO/constructors.html>
<http://download.oracle.com/javase/tutorial/java/javaOO/methods.html>

>> 3) Input from the user for the 5 specific employees and then comment
>> out the hardcoding for the 4 employees in the original code

Do you have your class notes on how to get input?

>> 4) Report monthly salary amounts and include the November birthday
>> bonus

Do you have your class notes on how to present output?

<http://download.oracle.com/javase/tutorial/essential/io/index.html>

--
Lew
Honi soit qui mal y pense.
http://upload.wikimedia.org/wikipedi.../c/cf/Friz.jpg

Re: Needs help in editing
 

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Le 26/06/2011 19:30, Lew a écrit :
>
> Reflection is mostly avoidable. A little light use of
> 'Class#newInstance()' with package-private builders called by a factory
> method isn't very risky and avoids the typical mad craziness of looking
> up 'Method' or 'Constructor' instances. If you're going down that
> latter route, leave programming to those better equipped for it.

This is what I say…
On clean code, Class#newInstance + setter avoid reflection.
But on the craps given code, empty constructor is not available, so
Class#newInstance is not usable in this case…

- --
Aeris
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Re: Needs help in editing
 

Aéris wrote:
> Lew a écrit :
>> Reflection is mostly avoidable. A little light use of
>> 'Class#newInstance()' with package-private builders called by a factory
>> method isn't very risky and avoids the typical mad craziness of looking
>> up 'Method' or 'Constructor' instances. If you're going down that
>> latter route, leave programming to those better equipped for it.
>
> This is what I say…
> On clean code, Class#newInstance + setter avoid reflection.
> But on the craps given code, empty constructor is not available, so
> Class#newInstance is not usable in this case…

So you suggest lowering the river instead of raising the bridge?

Again, adding **** to a pile of **** just makes it smell worse. Clean up the
**** and add clean stuff, i.e., fix the broken design and refactor the code. Duh.

--
Lew
Honi soit qui mal y pense.
http://upload.wikimedia.org/wikipedi.../c/cf/Friz.jpg