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conorjoe 15Sep2008 19:54

Simple program Query
Finding it hard to get started on a query I have been given which is about calculating an employees tax.

There are two types of employees, standard and self-employed. The following detials apply

Tax Rates:

Standard PAYE Employee
20% tax free, 20% @ 15% and the rest at 30%

Self-employed PAYE Employee
40% tax free, 20% on the rest

I need to have:
An Employee class
CalculateTax Method makes use of appropriate calculation
Create a Government class which has an array of employees
Extend user so it has a boolean (selfEmployed)
Iterate through array and calculate total tax from self employed and total
tax from standard

any help on this would be greatly appreciated!


conorjoe 17Sep2008 20:33

Re: Please Help! - A Simple program Query problem??
Ok im trying to put the pieces together. If anyone can lend any sort of help it would be much appreciated. what i have so far is. Ive got 5 different class and im not sure how to join them?

I need to be able to get an employee from the array.
Check whether or not they are self-employed (using a Boolean).
Then apply the appropriate calculation to work out the tax on their pay.
And then display the answer.


public class Government extends Employee {

        public Government(String name, int pay, boolean selfemployed){
        boolean selfemployed = true;
        public static void main (String [] args)
                Employee[] staff = new Employee[4];
                staff[0] = new Employee("person1",15000, true);
                staff[1] = new Employee("person2",20000, false);
                staff[2] = new Employee("person3",25000, true);
                staff[3] = new Employee("person4",30000, false);


public class CalculateTax{
        public static void main (String [] args){
        double standardTax;
        double selfEmployedTax;
        double pay;
        double netPay;
        standardTax = ((pay * 0.2)*0.15) + ((pay * 0.6)* 0.3);
        selfEmployedTax = ((pay * 0.6)*0.2);


public class Employee{
        public Employee (String name,int pay, boolean tax){
                //calculateTAx method

public class SelfEmployedEmployee extends Employee{

        // override CalculateTAx

public class StandardEmployee extends Employee{

        //override calculateTax

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