random-code/Exam.java at main · soybean15/random-code · GitHub

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import java.util.ArrayList;
import java.util.Enumeration;
import javax.swing.AbstractButton;
import javax.swing.JOptionPane;

/*
 * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
 * Click nbfs://nbhost/SystemFileSystem/Templates/GUIForms/JFrame.java to edit this template
 */

/**
 *
 * @author padilla
 */
public class Exam extends javax.swing.JFrame {
    ArrayList<Question> questions;
    int count;
    int score;

    /**
     * Creates new form Exam
     */
    public Exam() {
        initComponents();
        buttonGroup1.add(radio1);
        buttonGroup1.add(radio2);
        buttonGroup1.add(radio3);
        buttonGroup1.add(radio4);


        questions = Question.setQuestion();
        start();

    }

    void start(){

        Question question = questions.get(count);
        lblQuestion.setText("<html><center>"+question.question+"</center></html>");

        String[] choices = question.choices;

        radio1.setText(choices[0]);
        radio2.setText(choices[1]);
        radio3.setText(choices[2]);
        radio4.setText(choices[3]);

        count++;
    }


    /**
     * This method is called from within the constructor to initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is always
     * regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        buttonGroup1 = new javax.swing.ButtonGroup();
        jPanel1 = new javax.swing.JPanel();
        radio1 = new javax.swing.JRadioButton();
        radio2 = new javax.swing.JRadioButton();
        radio3 = new javax.swing.JRadioButton();
        radio4 = new javax.swing.JRadioButton();
        jButton1 = new javax.swing.JButton();
        lblQuestion = new javax.swing.JLabel();
        jButton2 = new javax.swing.JButton();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        jPanel1.setLayout(new java.awt.GridLayout(4, 0));

        radio1.setText("jRadioButton1");
        jPanel1.add(radio1);

        radio2.setText("jRadioButton2");
        jPanel1.add(radio2);

        radio3.setText("jRadioButton3");
        jPanel1.add(radio3);

        radio4.setText("jRadioButton4");
        jPanel1.add(radio4);

        jButton1.setText("Next");
        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton1ActionPerformed(evt);
            }
        });

        lblQuestion.setBackground(new java.awt.Color(204, 204, 204));
        lblQuestion.setText("Question");
        lblQuestion.setOpaque(true);

        jButton2.setText("Next");
        jButton2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton2ActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(jButton2)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                .addComponent(jButton1)
                .addGap(23, 23, 23))
            .addGroup(layout.createSequentialGroup()
                .addContainerGap(51, Short.MAX_VALUE)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, 298, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(lblQuestion, javax.swing.GroupLayout.PREFERRED_SIZE, 162, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(0, 51, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                .addGap(27, 27, 27)
                .addComponent(lblQuestion, javax.swing.GroupLayout.PREFERRED_SIZE, 74, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 90, Short.MAX_VALUE)
                .addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jButton1)
                    .addComponent(jButton2))
                .addContainerGap())
        );

        pack();
    }// </editor-fold>//GEN-END:initComponents

    private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton1ActionPerformed
      if(count<questions.size()){


        Question question = questions.get(count);
        lblQuestion.setText("<html><center>"+question.question+"</center></html>");

        String[] choices = question.choices;

        radio1.setText(choices[0]);
        radio2.setText(choices[1]);
        radio3.setText(choices[2]);
        radio4.setText(choices[3]);


       String answer ="";

       for(Enumeration<AbstractButton> buttons = buttonGroup1.getElements(); buttons.hasMoreElements(); ){

           AbstractButton button = buttons.nextElement();

           if(button.isSelected()){
               answer = button.getText();
           }

       }

       if(answer.equals(question.correctAnswer)){
           score++;
       }
       count++;


      }else JOptionPane.showMessageDialog(this, "Your Score is :"+score+"/"+questions.size());


    }//GEN-LAST:event_jButton1ActionPerformed

    private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton2ActionPerformed
        int option = JOptionPane.showConfirmDialog(this, "You want to leave this page?", "warning", JOptionPane.YES_NO_OPTION);

        if (option == JOptionPane.YES_OPTION) {

        }
    }//GEN-LAST:event_jButton2ActionPerformed

    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        /* Set the Nimbus look and feel */
        //<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
        /* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
         * For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
         */
        try {
            for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
                if ("Nimbus".equals(info.getName())) {
                    javax.swing.UIManager.setLookAndFeel(info.getClassName());
                    break;
                }
            }
        } catch (ClassNotFoundException ex) {
            java.util.logging.Logger.getLogger(Exam.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(Exam.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(Exam.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(Exam.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        }
        //</editor-fold>

        /* Create and display the form */
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new Exam().setVisible(true);
            }
        });
    }

    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.ButtonGroup buttonGroup1;
    private javax.swing.JButton jButton1;
    private javax.swing.JButton jButton2;
    private javax.swing.JPanel jPanel1;
    private javax.swing.JLabel lblQuestion;
    private javax.swing.JRadioButton radio1;
    private javax.swing.JRadioButton radio2;
    private javax.swing.JRadioButton radio3;
    private javax.swing.JRadioButton radio4;
    // End of variables declaration//GEN-END:variables
}