In this tutorials will teach you how to calculate student marks using OOP concepts. This is an important for developing a java projects. there are many students who struggling with this area. so that I bring this article for all to clear the doubts..Input the Employee Salary to calculating and display tax,NetSalary using Following Condition.
If the Employee Salary is more than 50000 include 10% tax
If the Employee Salary is more than 35000 include 5% tax
Other wise No Tax.
First You have to Design the Form
After that you have to create the class Cal.java
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | public class Cal { public double salary,tax,nsal; public Double Salaycal() { if(salary > 50000) { tax = salary * 10/100; } else if(salary > 35000) { tax = salary * 5/100; } else { tax = 0; } return tax; } public Double nsal() { nsal = salary - tax; return nsal; } } |
Paste the Code inside the Add Button
1 2 3 4 5 | Cal c = new Cal(); c.salary = Integer.parseInt(txtsal.getText()); txttax.setText(String.valueOf(c.Salaycal())); txtnsal.setText(String.valueOf(c.nsal())); |