This tutorial will teach you Advanced Employee Salary Calculation System Using Java step by step. Paste the code inside the cal button double empname,sal,etf,epf,etfamount,epfamount,gsal,allow,nsal; private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) { sal = Double.parseDouble(txtsal.getText()); if(chketf.isSelected()== true) { etfamount = sal * 10/100; } if(chketf.isSelected()== true) { epfamount = sal * 5/100; } txtetf.setText(String.valueOf(etfamount)); txtepf.setText(String.valueOf(epfamount)); gsal = sal - (etfamount + epfamount); txtgsal.setText(String.valueOf(gsal)); …

This tutorial will teach you how to search records using JComboBox Java and Mysql. we will teach step by step. First we have to load the JComboBox following code will help you to load the Jcombobox private void employeeID() { try { Class.forName("com.mysql.jdbc.Driver"); con = DriverManager.getConnection("jdbc:mysql://localhost/melwa","root",""); pst = con.prepareStatement("select * from employee"); ResultSet rs = pst.executeQuery(); txtemp.removeAllItems(); while(rs.next()) { txtemp.addItem(rs.getString(1) …