Student Marks Calculation app using java

 

 

 

import javax.swing.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

public class Student {
    private JTextField txtStname;
    private JButton calButton;
    private JTextField txtMarks1;
    private JTextField txtMarks2;
    private JTextField txtMark3;
    private JTextField txtTotal;
    private JTextField txtAvg;
    private JTextField txtGrade;
    private JPanel Main;

    public static void main(String[] args) {
        JFrame frame = new JFrame("Student");
        frame.setContentPane(new Student().Main);
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.pack();
        frame.setVisible(true);
    }

    public Student() {
        calButton.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {



               int m1,m2,m3, tot;
               double avg;


                m1 =Integer.parseInt(txtMarks1.getText());
                m2 =Integer.parseInt(txtMarks2.getText());
                m3 =Integer.parseInt(txtMark3.getText());



                tot =m1 + m2 + m3;

                txtTotal.setText(String.valueOf(tot));



                avg = tot/3;

                txtAvg.setText(String.valueOf(avg));



               if(avg>50)
               {
                   txtGrade.setText("Pass");
               }

               else
               {
                   txtGrade.setText("Fail");
               }







            }
        });
    }
}