Java Payroll System Using Text File

Here is a simple Java Payroll System that uses a text files to store and process employees salary records.

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Program Listing

payroll.java

// JAKE R. POMPERADA //

// July 1, 2019  //

import java.util.*;

import java.io.*;

import java.text.*;

class salary

{public double s(double rate,double hrs)

 {double sal=0;

  sal=(rate*hrs)/8;

  return sal;}

}

class time_in_hrs

{public int inhrs(int hrs)

 {int gen_in_minus=0;

  if(hrs<=805)

  {gen_in_minus=4;}

  else

  {gen_in_minus=12-(hrs/100);}

 return gen_in_minus;}

}

class time_out_hrs

{public int outhrs(int hrs)

 {int gen_out_minus=0;

  gen_out_minus=(hrs/100)-13;

  return gen_out_minus; }

}

class time_in_mins

{public double mins(int hrs)

 {int tmins=0;

  if(hrs<=805)

  {tmins=0;}

  else

  {tmins=hrs%100;}

  return tmins;}

}

class time_out_mins

{public double mouts(int hrs)

 {int tmins=0,m=0;

  tmins=hrs%100;

  if(tmins==0)

  {m=0;}

  else

  {m=60-tmins;}

  return m;}

}

class flxhrs

{public int flx_hrs(int hrs)

 {int gen_in_minus=0;

  gen_in_minus=hrs/100;

  return gen_in_minus;}

 }

class flx_mins_in

{public double flxmins(int hrs)

 {int tmins=0;

  if(hrs<805)

  {tmins=0;}

  else

  {tmins=hrs%100;}

  return tmins;}

 }

class flx_mins_out

{public double flxmouts(int hrs)

 {int tmins=0,m=0;

  tmins=hrs%100;

  if(tmins==0)

  {m=0;}

  else

  {m=60-tmins;}

  return m;}

 }

public class payroll

{ public static void main(String[] args) throws IOException

    {String read;

     double ss=0, rate=0;

     int lop;

     String day[]={"Monday","Tuesday","Wednesday","Thursday","Friday"};

     String in="",out="",date="";

     double mon_in_hrs=0, mon_out_hrs=0, mon_in_mins=0, mon_out_mins=0,

     total_flxhrs1=0, total_flxhrs2=0, total_mins1=0, total_mins2=0,

             a_flxhrs=0,total_hrs1=0,total_hrs2=0,

             a_hrs=0,overallmins=0,a_mins=0,overall=0,tothrs=0;

     salary sals = new salary();

     time_in_hrs tih = new time_in_hrs();

     time_out_hrs toh = new time_out_hrs();

     time_in_mins tim = new time_in_mins();

     time_out_mins tom = new time_out_mins();

     flxhrs fhrs = new flxhrs();

     flx_mins_in fminsin= new  flx_mins_in();

     flx_mins_out fminsout = new  flx_mins_out();

     FileReader fr = new FileReader("employee.txt");

     BufferedReader br = new BufferedReader(fr);

     FileWriter fw = new FileWriter("DTR.txt",true);

     BufferedWriter bw = new BufferedWriter(fw);

     NumberFormat nf = new DecimalFormat("###,##0.00");

     System.out.print("\n CODE: ");

     Scanner cod=new Scanner(System.in);

     String code = cod.next();

     while((read=br.readLine())!=null)

     {String arr[]=read.split(",");

      if(code.equals(arr[1]))

      {System.out.print("\nEmployee name  : "+arr[0]);

       System.out.print("\nEmployee code  : "+arr[1]);

       System.out.print("\nEmployee level : "+arr[2]);

       if(arr[2].equals("1"))

       {rate=480.00;

        System.out.print("\n Employee  rate : "+nf.format(rate));

       }

       if(arr[2].equals("2"))

       {rate=580.00;

        System.out.print("\n Employee rate : "+nf.format(rate));

       }

       if(arr[2].equals("3"))

       {rate=700.00;

        System.out.print("\n Employee rate : "+nf.format(rate));

       }

       arr[1] = arr[1]+""; bw.write(arr[1]);

       System.out.println("");

       for(lop=0;lop<5;lop++)

       {System.out.print("\nDTR FOR "+day[lop]);

        System.out.print("\nLog_in: ");

        Scanner lin = new Scanner(System.in);

        in = lin.next();

        System.out.print("Log_out: ");

        Scanner lout = new Scanner(System.in);

        out = lout.next();

        String r_arr[]=in.split(":"); String r_arr1[]=out.split(":");

        int mon_in = Integer.parseInt(r_arr[0]+r_arr[1]);

        int mon_out = Integer.parseInt(r_arr1[0]+r_arr1[1]);

        if(mon_in>=800 && mon_out <=1200)

        {mon_in_hrs=fhrs.flx_hrs(mon_in);

         mon_out_hrs=fhrs.flx_hrs(mon_out);

         mon_in_mins=fminsin.flxmins(mon_in);

         mon_out_mins=fminsout.flxmouts(mon_out);

         total_flxhrs1=total_flxhrs1+mon_in_hrs;

         total_flxhrs2=total_flxhrs2+mon_out_hrs;

         a_flxhrs=total_hrs2-total_hrs1;

         total_mins1= total_mins1+mon_in_mins;

         total_mins2= total_mins2+mon_out_mins;

        }else if(mon_in>=1300 && mon_out <=1700)

        {mon_in_hrs=fhrs.flx_hrs(mon_in);

         mon_out_hrs=fhrs.flx_hrs(mon_out);

         mon_in_mins=fminsin.flxmins(mon_in);

         mon_out_mins=fminsout.flxmouts(mon_out);

         total_flxhrs1=total_flxhrs1+mon_in_hrs;

         total_flxhrs2=total_flxhrs2+mon_out_hrs;

         total_mins1= total_mins1+mon_in_mins;

         total_mins2= total_mins2+mon_out_mins;

         }else{

         mon_in_hrs=tih.inhrs(mon_in);

         mon_out_hrs=toh.outhrs(mon_out);

         mon_in_mins=tim.mins(mon_in);

         mon_out_mins=tom.mouts(mon_out);

         total_hrs1=total_hrs1+mon_in_hrs;

         total_hrs2=total_hrs2+mon_out_hrs;

         total_mins1= total_mins1+mon_in_mins;

         total_mins2= total_mins2+mon_out_mins;

         }

        in = in+";"; out = out+";";

        bw.write(in); bw.write(out);

       a_hrs = total_hrs1+total_hrs2;

       a_flxhrs = total_flxhrs2-total_flxhrs1;

       overallmins = (total_mins1-total_mins2)/60;

       a_mins = a_hrs- overallmins;

       overall =a_mins+a_flxhrs;

       tothrs = overall;

       ss = sals.s(rate, tothrs);

       }

       System.out.print("\nPayroll date  : ");

       Scanner dte = new Scanner(System.in);

       date = dte.next();

       System.out.print("\nEEmployee name  : "+arr[0]);

       System.out.print("\nEmployee  code  : "+arr[1]);

       System.out.print("\nEmployee  level : "+arr[2]);

       System.out.print("\nEmployee  rate  : "+nf.format(rate));

       System.out.print("\nEmployee  hours : "+nf.format(tothrs));

       System.out.print("\nEmployee salary : "+nf.format(ss));

       System.out.print("\nPayroll  date   : "+date);

       System.out.println("");

     }

  }

fr.close(); bw.close();

}

}

DTR.txt

A02-00058:00;17:00;7:59;17:00;8:23;17:00;8:00;17:00;8:00;17:00;

employee.txt

Jake_Pomperada,A02-0001,2

Jacob_Samuel_Pomperada,A02-0002,3

Julianna_Rae_Pomperada,A02-0003,1

Allie_Pomperada,A0-0004,2

Lydia_Pomperada,A02-0005,3