Azhar_Question-02_Registration_Form

import javax.swing.*;
import java.awt.*;
import javax.swing.border.Border;
import java.awt.event.*;

public class problem2 extends JFrame implements ActionListener {

    private Container c;
    private Font font;
    private JButton clr, val, regs;
    private JLabel reg, name, bday, gender, email, pw, repw, stts;
    private JRadioButton male, female, other;
    private ButtonGroup bg;
    private JTextField namef, emailf, pwf, repwf;
    private JComboBox<String> cb1, cb2, cb3;

    String day[] = new String[32];
    String year[] = new String[151];
    String month[] = {"month", "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"};

    problem2() {
        setSize( 1100, 550 );
        setLocationRelativeTo(null);
        setTitle("Registration");
        setResizable(true);

        init();
    }

    public void init() {
        // contentpane
        c = this.getContentPane();
        c.setLayout(null);

        font = new Font("Arial", Font.BOLD, 14);
        addJLabel();
        addTextBox();
        addButton();
        addComboBox();
        addRadioButton();
    }

    void addJLabel() {
        Border border = BorderFactory.createLineBorder(Color.black);
        // JLabel
        reg = new JLabel("Registration");
        name = new JLabel("Name");
        bday = new JLabel("Birthday");
        gender = new JLabel("Gender");
        email = new JLabel("Email");
        pw = new JLabel("Password");
        repw = new JLabel("Retype");
        stts = new JLabel();

        reg.setBounds(0, 0, 1100, 50);
        reg.setFont(font);
        reg.setHorizontalAlignment(JLabel.CENTER);
        reg.setBorder(border);
        c.add(reg);


        name.setBounds(50, 100, 150, 30);
        name.setFont(font);
        c.add(name);


        bday.setBounds(50, 150, 150, 30);
        bday.setFont(font);
        c.add(bday);


        gender.setBounds(50, 200, 150, 30);
        gender.setFont(font);
        c.add(gender);


        email.setBounds(50, 250, 150, 30);
        email.setFont(font);
        c.add(email);


        pw.setBounds(50, 300, 150, 30);
        pw.setFont(font);
        c.add(pw);


        repw.setBounds(500, 300, 150, 30);
        repw.setFont(font);
        c.add(repw);

        stts.setText("Status: ");
        stts.setBounds(50, 450, 1050, 30);
        stts.setFont(font);
        c.add(stts);
    }

    void addTextBox()
    {
        Border border = BorderFactory.createLineBorder(Color.black);

        namef = new JTextField();
        emailf = new JTextField();
        pwf = new JPasswordField();
        repwf = new JPasswordField();

        namef.setBounds(150, 100, 300, 30);
        namef.setBorder(border);
        namef.setFont(font);
        c.add(namef);


        emailf.setBounds(150, 250, 300, 30);
        emailf.setBorder(border);
        emailf.setFont(font);
        c.add(emailf);


        pwf.setBounds(150, 300, 300, 30);
        pwf.setBorder(border);
        pwf.setFont(font);
        c.add(pwf);


        repwf.setBounds(600, 300, 300, 30);
        repwf.setBorder(border);
        repwf.setFont(font);
        c.add(repwf);
    }

    void addButton()
    {
        Font font2 = new Font("Arial", Font.BOLD, 18);



        clr = new JButton("Clear");
        clr.setBounds(150, 350, 150, 50);
        clr.setFont(font2);
        clr.setOpaque(true);
        clr.setBackground(Color.BLUE);
        clr.setForeground(Color.WHITE);
        c.add(clr);

        val = new JButton("Validate");
        val.setBounds(400, 350, 150, 50);
        val.setFont(font2);
        val.setOpaque(true);
        val.setBackground(Color.BLUE);
        val.setForeground(Color.WHITE);
        c.add(val);

        regs = new JButton("Register");
        regs.setBounds(650, 350, 150, 50);
        regs.setFont(font2);
        regs.setOpaque(true);
        regs.setBackground(Color.BLUE);
        regs.setForeground(Color.WHITE);
        regs.setEnabled(false);
        c.add(regs);

        // actionlistener
        clr.addActionListener(this);
        val.addActionListener(this);
        regs.addActionListener(this);
    }

    void addComboBox()
    {
        day[0] = "day";
        for( int i = 1; i <= 31; i++ ) {
            String temp = ( Integer.toString(i) );
            day[i] = temp;
        }

        year[0] = "year";
        for( int i = 1, j = 1900; i < 151; i++, j++ ) {
            String temp = Integer.toString(j);
            year[i] = temp;
        }

        cb1 = new JComboBox<>( day );
        cb2 = new JComboBox<>( month );
        cb3 = new JComboBox<>( year );

        cb1.setBounds(150, 150, 100, 30);
        cb1.setFont(font);
        c.add(cb1);


        cb2.setBounds(300, 150, 100, 30);
        cb2.setFont(font);
        c.add(cb2);


        cb3.setBounds(450, 150, 100, 30);
        cb3.setFont(font);
        c.add(cb3);
    }

    void addRadioButton()
    {
        bg = new ButtonGroup();

        male = new JRadioButton("Male");
        female = new JRadioButton("Female");
        other = new JRadioButton("Other");

        male.setBounds(150, 200, 100, 30);
        male.setFont(font);
        c.add(male);


        female.setBounds(250, 200, 100, 30);
        female.setFont(font);
        c.add(female);


        other.setBounds(350, 200, 100, 30);
        other.setFont(font);
        c.add(other);

        bg.add(male);
        bg.add(female);
        bg.add(other);
    }



    public static void main(String[] args) throws Exception {

        problem2 frame = new problem2();
        frame.setVisible(true);
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    }

    @Override
    public void actionPerformed(ActionEvent e) {
        if( e.getSource() == this.clr ) {
            this.namef.setText(null);
            this.emailf.setText(null);
            this.pwf.setText(null);
            this.repwf.setText(null);

            this.cb1.setModel(new DefaultComboBoxModel<String>(day));
            this.cb2.setModel(new DefaultComboBoxModel<String>(month));
            this.cb3.setModel(new DefaultComboBoxModel<String>(year));

            this.bg.clearSelection();

            stts.setText("Status: ");
            regs.setEnabled(false);
        }

        else if( e.getSource() == this.val ) {
            stts.setText("Status: Validation Successfull!");
            regs.setEnabled(true);
            String temp = new String();
            int i = 0;

            if( namef.getText().length() == 0 ) {
                i++;
                temp += "(" + Integer.toString(i) +") name ";
            }
            if( emailf.getText().length() == 0 ) {
                i++;
                temp += "(" + Integer.toString(i) +") email ";
            }
            if( pwf.getText().length() == 0 ) {
                i++;
                temp += "(" + Integer.toString(i) +") password ";
            }
            else if( !pwf.getText().toString().equals(repwf.getText().toString())  ) {
                System.out.println(pwf.getText().toString());
                System.out.println(repwf.getText().toString());
                i++;
                temp += "(" + Integer.toString(i) +") same password to both field ";
            }

            String temp2 = new String();

            if( i != 0 ) {
                temp = "Please enter: " + temp;
                stts.setText( temp );
                temp2 += " and select: ";
                regs.setEnabled(false);
            }
            else {
                temp2 += "Please select: ";
                regs.setEnabled(true);
            }

            i = 0;

            if( cb1.getSelectedItem().toString() == "day" ) {
                i++;
                temp2 += "(" + Integer.toString(i) +") birth date ";
            }
            if( cb2.getSelectedItem().toString() == "month" ) {
                i++;
                temp2 += "(" + Integer.toString(i) +") birth month ";
            }
            if( cb3.getSelectedItem().toString() == "year" ) {
                i++;
                temp2 += "(" + Integer.toString(i) +") birth year ";
            }
            if( bg.getSelection() == null ) {
                i++;
                temp2 += "(" + Integer.toString(i) +") Gender ";
            }

            if( i != 0 ) {
                stts.setText( "Status: " + temp + temp2 );
                regs.setEnabled(false);
            }
        }

        else if( e.getSource() == this.regs ) {
            stts.setText("Status: Registration Successful!");
        }
    }
}