Question

Java program for Employee class variation

Asked by: Sham850

To helpers,

This question is a practice exercise given to me in a begineers Java course.  The truth is, if I can get the code for this one, I will be able to work off it to help me with the review at the end of the chapter.   I have pretty much understood everything up to this point, but the material dealing with classes and methods has taken me for a loop.  Any help on this would be GREATLY appreciated.  

    Write a class Employee with the following specifications:
    Fields:
        Name - Name of employee
        Id - Employee id
        Salary - Employee salary
        Age - Employee age
        Position - Employee title

    Methods:
        1. getFedTax() - Returns (int) federal tax withheld. Computed as follows:
        multiply (salary - 800) by 17%.
        2. getSsTax(rate) - returns (int) social security tax withheld, rate% of salary;
        rate is int.
        3. getHealthFee(rate) - returns(int) health coverage employee contribution,
        rate% of salary; rate is int.
        4. getInsurance() - returns (int) employee contribution for insurance coverage.
        Amount of deduction is computed as follows:
        If the employee is under 40 rate is 3% of salary, if the employee is between
        40 and 50 rate is 4% of salary, and if the employee is between 50 and 60
        rate is 5% of salary. If the employee is above 60 the rate is 6% of salary.
        5. getNetPay() -returns (double) the net pay for the employee after deducting
        from salary, the deductions: ss(1), health(3), fed_tax() and insurance.

    Write an appropriate main class with a main() method to create two employee objects,
    and print information.

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Asked On
2007-05-13 at 19:38:50ID22569674
Tags

java

,

employee

,

program

,

class

Topics

JCreator IDE

,

Java Editors & IDEs

,

New to Java Programming

Participating Experts
2
Points
500
Comments
5

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Answers

 

by: anokun7Posted on 2007-05-13 at 19:50:52ID: 19082744

We would certainly help you - but please share with us what you have come up so far. If you have not yet started writing the class, then I urge you to start asap with whatever understanding you have... anything! And we will gladly guide you in the best way you could finish it...

Hope that helps.

 

by: alternationPosted on 2007-05-17 at 07:48:45ID: 19108617

class Employee
{
    private int age;
    private int id;
    private int salary;
   
    private String name;
    private String position;
   
    public Employee(String name, int id, int salary, int age, String position)
    {
        this.name = name;
        this.id = id;
        this.salary = salary;
        this.age = age;
        this.position = position;
    }
   
    public int getFedTax()
    {
        //please note that rounding errors do occur here
        return (int)((salary-800)*0.17);
    }
   
    public int getSsTax(int rate)
    {
        //I'm unsure if you meant division or modulus in your question
        //this one assumes division:
        return (int)((rate/100)/salary);
        //if you meant modulus, comment the above and uncomment this:
        //return (int)(rate%salary);
        //once again, rounding errors will occur
    }
   
    public int getHealthFee(int rate)
    {
        //same code as getSsTax, really, so we could cheat and do:
        //return getSsTax(rate)
        //...but that would probably annoy whoever will be marking this. So:
        return (int)((rate/100)/salary);
        //once again, rounding errors will occur
    }
   
    public int getInsurance()
    {
        //once again, the same rounding errors
        if (salary<40)
            return (int)(salary*0.03);
        if (salary<50)
            return (int)(salary*0.04);
        if (salary<60)
            return (int)(salary*0.05);
        else
            return (int)(salary*0.06);
    }
   
    public double getNetPay()
    {
        //as the other methods return integers, I dont see the point of returning
        //a double...but hey, the assignment asks you to - *shrugs*
        return salary-getFedTax()-getSsTax(1)-getHealthFee(3)-getInsurance();
    }
}


class sham850sAssignment
{
    public static void main (String [] args)
    {
        Employee Fred = new Employee("Freddy", 1, 1000000, 22, "Garbage sanitisor");
        Employee Sarah = new Employee("Sarah", 1, 500000, 46, "<<Insert humorous profession name>>");
        System.out.println("Fred's Fex tax is: " + Fred.getFedTax());
        System.out.println("Fred's SS tax (rate of 1%) is: " + Fred.getSsTax(1));
        System.out.println("Fred's Health fee (rate of 3%) is: " + Fred.getHealthFee(3));
        System.out.println("Fred's insurance cost is: " + Fred.getInsurance());
        System.out.println("Fred's net pay is: " + Fred.getNetPay());
        System.out.println("---------------------------");
        System.out.println("Sarah's Fex tax is: " + Sarah.getFedTax());
        System.out.println("Sarah's SS tax (rate of 1%) is: " + Sarah.getSsTax(1));
        System.out.println("Sarah's Health fee (rate of 3%) is: " + Sarah.getHealthFee(3));
        System.out.println("Sarah's insurance cost is: " + Sarah.getInsurance());
        System.out.println("Sarah's net pay is: " + Sarah.getNetPay());
    }
}

 

by: alternationPosted on 2007-05-17 at 07:59:02ID: 19108719

Sorry I misread getSSTax and getHealthFee - they should multiply, not divide

 

by: Sham850Posted on 2007-05-17 at 15:01:38ID: 19111929

Thank you for helpding with this.  I have been working with this code and found a couple things that seemed a little off.  When I rework the code reflect the 'of' in the getSsTax and getHealthFee,  multiplication, my numbers are huge.  For example, the above code tweaked to multiply, prints Health fee ( rate of 3%) is: 3000000 and my SS tax (rate of 1%) is: 1000000.  Any reason why these numbers are so big.  Also, when this is done, the net pay for both employees returns a negative number.  I see what you are saying about both the getSsTax and getHealthFee being the same code, but how do you distinguish between health coverage employee contribution and the social security tax withheld?  It seems if you use the same code, the same numbers would be used and produce strewed results.  Please let me know if I am reading into this too far.  I am really trying to learn this stuff.  Thank You Again---

 

by: alternationPosted on 2007-05-19 at 22:57:42ID: 19122366

The numbers are probably huge because you're not multiplying them correctly.

If you want 3% of 1000, to work it out you don't multiply 1000 * 3, do you? You do 0.03 * 1000 - hence why I did a division by 100 in some of the methods.

The net pay being negative would just be because the other methods are returning a large value.

The thing that makes getSSTax() and getHealthFee() different is that a user could, say, call getSSTax(3) and then call getHealthFee(5) - we're passing them different parameters to use in calculations, so they will return different values. If you were writing this yourself, it would be simpler to just make a method called, I don't know, say "getPercentage(int value)" that just takes a figure, works out the percentage tax based on that figure and returns it. Then just call it twice with different values. But the specifications ask you to make two, so I suppose you have to do it like that.

Hope this helps

20120131-EE-VQP-002

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