Java OOP Employee Salary Calculation System

In this tutorials will  teach you how to calculate student marks using OOP concepts with java. This is an important for developing oops through 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

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

Cal c = new Cal();
c.salary = Integer.parseInt(txtsal.getText()); 

txttax.setText(String.valueOf(c.Salaycal()));
txtnsal.setText(String.valueOf(c.nsal()));