// Online Java Compiler
// Use this editor to write, compile and run your Java code online

package course_project;
import java.text.DecimalFormat;
import java.awt.event.*;
import javax.swing.*;
class CGPA{
    int SUM,PC;
    double res;
    CGPA(int m1,int m2,int m3,int m4,int m5)
    {
        SUM=m1+m2+m3+m4+m5;
        PC=(SUM/5);
        res=PC/9.5;
    }
    double getCGPA()
    {
      return(res);
    }
}

public class Course_project {
    private static DecimalFormat df2 = new DecimalFormat("#.##");
    public static void main(String[] args) {

    JFrame f=new JFrame("CGPA CALCULATOR FOR ONE SEM");
    JTextField nf=new JTextField();
    JTextField uf=new JTextField();
    JTextField mf1=new JTextField();
    JTextField mf2=new JTextField();
    JTextField mf3=new JTextField();
    JTextField mf4=new JTextField();
    JTextField mf5=new JTextField();

    JLabel nl=new JLabel("Enter Name :");
    JLabel ul=new JLabel("Enter USN :");
    JLabel m=new JLabel("Enter the Marks for given Subjects");
    JLabel m1l=new JLabel("Maths :");
    JLabel m2l=new JLabel("Java :");
    JLabel m3l=new JLabel("WP :");
    JLabel m4l=new JLabel("DS :");
    JLabel m5l=new JLabel("DE :");

    JLabel nm=new JLabel();
    JLabel un=new JLabel();
    JLabel cgpa=new JLabel();
    JLabel resu=new JLabel();
    JLabel err=new JLabel();

    nm.setBounds(200, 210, 150, 30);
    un.setBounds(200, 230, 150, 30);
    cgpa.setBounds(200, 250, 150, 30);
    resu.setBounds(200, 270, 150, 30);
    err.setBounds(170, 210, 200, 30);



    JButton res=new JButton("Get Result");

    nl.setBounds(50, 20, 100, 20);
    nf.setBounds(130, 20, 100, 20);

    ul.setBounds(50, 50, 100, 20);
    uf.setBounds(130, 50, 100, 20);

    m.setBounds(150, 80, 250, 40);

    m1l.setBounds(30, 120, 50, 20);
    mf1.setBounds(80, 120, 40, 20);
    m2l.setBounds(140, 120, 50, 20);
    mf2.setBounds(180, 120, 40, 20);
    m3l.setBounds(240, 120, 50, 20);
    mf3.setBounds(270, 120, 40, 20);
    m4l.setBounds(330, 120, 50, 20);
    mf4.setBounds(360, 120, 40, 20);
    m5l.setBounds(420, 120, 50, 20);
    mf5.setBounds(450, 120, 40, 20);

    res.setBounds(200, 170, 100, 30);


    res.addActionListener(new ActionListener(){
    public void actionPerformed(ActionEvent ae){
        String a,b,c,d,e,nam,usn;
        a=mf1.getText();
        b=mf2.getText();
        c=mf3.getText();
        d=mf4.getText();
        e=mf5.getText();
        nam=nf.getText();
        usn=uf.getText();
        if(!(nf.getText().isEmpty()) && !(uf.getText().isEmpty()))
        {
            if(isNumber(a) && isNumber(b) && isNumber(c) && isNumber(d) && isNumber(e))
            {
                int m1,m2,m3,m4,m5;
                m1=Integer.parseInt(a);
                m2=Integer.parseInt(b);
                m3=Integer.parseInt(e);
                m4=Integer.parseInt(d);
                m5=Integer.parseInt(e);

                nm.setText("Name : : "+nam.toUpperCase());
                un.setText("USN : : "+usn.toUpperCase());

                double ans;
                CGPA s=new CGPA(m1,m2,m3,m4,m5);
                ans=s.getCGPA();

                    if(ans>=10.0)
                        cgpa.setText("CGPA : : 10");
                    else
                        cgpa.setText("CGPA : : "+df2.format(ans));


                    if(ans>=9)
                        resu.setText("RESULT : : DISTINCTION");
                    else if(ans == 8)
                        resu.setText("RESULT : : FIRST CLASS");
                    else if(ans>=6)
                        resu.setText("RESULT : : SECOND CLASS");
                    else if(ans == 5)
                        resu.setText("RESULT :: PASS CLASS");
                    else
                        resu.setText("RESULT :: FAIL");
            }
            else{
                err.setText("Marks must be only in integers");
            }
        }
        else
        {
            err.setText("Name and USN must be filled");
        }
    }
    });

        f.add(nl);
        f.add(nf);
        f.add(ul);
        f.add(uf);
        f.add(m);
        f.add(m1l);
        f.add(mf1);
        f.add(m2l);
        f.add(mf2);
        f.add(m3l);
        f.add(mf3);
        f.add(m4l);
        f.add(mf4);
        f.add(m5l);
        f.add(mf5);
        f.add(res);
        f.add(nm);
        f.add(un);
        f.add(cgpa);
        f.add(resu);
        f.add(err);
        f.setSize(550,600);
        f.setLayout(null);
        f.setVisible(true);
    }
    static boolean isNumber(String s)
    {
        for (int i = 0; i < s.length(); i++)
            if (Character.isDigit(s.charAt(i)) == false)
                return false;

        return true;
    }

}