CHANGE PASS

    private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {
        // TODO add your handling code here:
        String pass =jPasswordField1.getText();
        String conPass =jPasswordField2.getText();
        uName =jTextField1.getText();

        try
        {
           Class.forName("org.apache.derby.jdbc.ClientDriver");
           Connection con = DriverManager.getConnection("jdbc:derby://localhost:1527/salaryManagement","salary","pass");
           Statement st = con.createStatement();
           //String sql ="UPDATE LOGSIGN SET PASS ='"+pass+"' WHERE USERNAME='"+uName+"'" ;


            if(pass.equals(conPass))
            {
                 //st.executeUpdate(sql);
                st.executeUpdate("UPDATE LOGSIGN SET PASS='" + pass +"' WHERE USERNAME='" +uName+ "'");
                JOptionPane.showMessageDialog(null,"Password Changed");
            }
            else
            {
                JOptionPane.showMessageDialog(null,"ERROR");
            }
        }

        catch(HeadlessException | SQLException e)
        {
            System.out.print(e);
        } catch (ClassNotFoundException ex) {
            Logger.getLogger(forgotPass.class.getName()).log(Level.SEVERE, null, ex);
        }
    }