simple basic object oriented java code for employee salary calculation

import java.io.*;
import java.util.Scanner;

public class Employees {
    Scanner scan=new Scanner(System.in);
    String Fname;   int EmpID;  int DOB; double Allowance;   double Salary;

    public void getDetails(){
  System.out.println("Enter the first name");
  Fname=scan.next();
  System.out.println("Enter the ID number");
  EmpID=scan.nextInt();
  System.out.println("Enter the date of birth");
  DOB=scan.nextInt();
  System.out.println("Enter the salary");
  Salary=scan.nextDouble();

  Allowance=0.6*Salary;
    }
   public void printReport(){
   System.out.println(Fname+"\t"+EmpID+"\t"+calGross()+"\t"+calPayee()+"\t"+calNetIncome());


   }
   public double calGross(){
       return Salary + Allowance;

   }
   public double calPayee(){
       double x=Salary+Allowance;
        if(x>50000)
            return 0.4*(Salary-50000)+7000;
        else
        if(x>40000)
            return 0.3*(Salary-40000)+4000;
        else
        if(x>30000)
            return 0.25*(Salary-30000)+1500;
        else
        if(x>20000)
            return 0.15*(Salary-50000);
        else
            return 0;

   }
   public double calNetIncome(){
       return calGross()-calPayee();

   }

   public static void main(String []args)throws IOException{
       Employees E[]=new Employees[2];//or []E

       int i;
double totnetincome=0,totpayee=0;

       for(i=0;i<E.length;i++){
           E[i]=new Employees();
           E[i].getDetails();
totnetincome+=E[i].calNetIncome();
totpayee+=E[i].calPayee();
       }
System.out.println("Name\t EMpID No\tGross \tPayee \tNetincome");
       for(i=0;i<E.length;i++){
           E[i].printReport();

       }
       System.out.println("Total netIncome "+totnetincome+"Total payee
"+totpayee);
   }//end of main
}//end of class