Alex
Reputation: 183
How to display score after a quiz using javax swing?
I am trying to write a program to take a quiz and then display the score at the end of 5 q. But my score always shows 0 regardless of what I do.
I have attached most part of the code so that it can be inserted into an IDE for checking.
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
class OnlineExam extends JFrame
{
CardLayout cardlayout;
JPanel jpanel1,jpanel2,jpanel3,jpanel4,cardpanel,buttonpanel;
JLabel label1,label2,label3,label4,label5,label6,qlabel1,qlabel2,qlabel3,qlabel4,qlabel5,alabel1,alabel2,alabel3,alabel4,alabel5,jscore;
JTextArea field1,field2;
JButton b1,b2,ab11,ab12,ab13,ab14,ab21,ab22,ab23,ab24,ab25,ab31,ab32,ab33,ab34,ab35,ab41,ab42,ab43,ab44,ab45,ab51,ab52,ab53,ab54,ab55,result;
int score;
OnlineExam()
{
JFrame frame=new JFrame("Exam On C Programming");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setSize(500,500);
cardlayout=new CardLayout();
cardpanel=new JPanel();
cardpanel.setLayout(cardlayout);
//JPanel1::
jpanel1=new JPanel();
jpanel1.setBackground(Color.pink);
label1=new JLabel("Enter Username");
label1.setFont(new Font("Arial",Font.BOLD,16));
label2=new JLabel("Enter password");
label2.setFont(new Font("Arial",Font.BOLD,16));
field1=new JTextArea(1,40);
field2=new JTextArea(1,40);
jpanel1.add(label1);
jpanel1.add(field1);
jpanel1.add(label2);
jpanel1.add(field2);
b1=new JButton("Next");
b1.addActionListener(new ActionListener()
{
public void actionPerformed(ActionEvent e)
{
cardlayout.show(cardpanel,"2");
}
});
jpanel1.add(b1);
//jpanel 2::
jpanel2=new JPanel();
jpanel2.setBackground(Color.pink);
jpanel2.setLayout(new BoxLayout(jpanel2,BoxLayout.Y_AXIS));
label3=new JLabel(" EXAM INSTRUCTIONS ");
label3.setFont(new Font("Arial",Font.BOLD,20));
label4=new JLabel("1. The exam consists of 5 questions. Each question is of 1 mark.");
label4.setFont(new Font("Arial",Font.PLAIN,16));
label5=new JLabel("2. The total time alloted is 5 min.");
label5.setFont(new Font("Arial",Font.PLAIN,16));
label6=new JLabel("3. There will be no negative marking.");
label6.setFont(new Font("Arial",Font.PLAIN,16));
jpanel2.add(label3);
jpanel2.add(label4);
jpanel2.add(label5);
jpanel2.add(label6);
b2=new JButton("Ready for Exam? Click here.");
b2.addActionListener(new ActionListener()
{
public void actionPerformed(ActionEvent e)
{
cardlayout.show(cardpanel,"3");
}
});
jpanel2.add(b2);
jpanel3=new JPanel();
jpanel3.setBackground(Color.yellow);
jpanel3.setLayout(new BoxLayout(jpanel3,BoxLayout.Y_AXIS));
qlabel1=new JLabel("1. Command Line Arguments have how many parameters?");
qlabel2=new JLabel("2. Graph data structure is used in____");
qlabel3=new JLabel("3. C language is a ________ language");
qlabel4=new JLabel("4. what is sequence of extensions of file created after we hit the run button? ");
qlabel5=new JLabel("5. Tower of Hanoi problem can be solved using____");
alabel1=new JLabel("Result");
alabel2=new JLabel("Result");
alabel3=new JLabel("Result");
alabel4=new JLabel("Result");
alabel5=new JLabel("Result");
ab11=new JButton("1");
ab11.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e)
{
alabel1.setText("Wrong");
}
});
ab12=new JButton("2");
ab12.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e)
{
alabel1.setText("Correct");
score++;
}
});
ab13=new JButton("3");
ab13.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e)
{
alabel1.setText("Wrong");
}
});
ab14=new JButton("None");
ab14.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e)
{
alabel1.setText("Wrong");
}
});
ab21=new JButton("running appliances");
ab21.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e)
{
alabel2.setText("Wrong");
}
});
ab22=new JButton("sharing media files");
ab22.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e)
{
alabel2.setText("Wrong");
}
});
ab23=new JButton("finding places");
ab23.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e)
{
alabel2.setText("Correct");
score++;
}
});
ab24=new JButton("playing video games");
ab24.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e)
{
alabel2.setText("Wrong");
}
});
ab31=new JButton("structural");
ab31.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e)
{
alabel3.setText("Wrong");
}
});
ab32=new JButton("procedural");
ab32.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e)
{
alabel3.setText("Correct");
score++;
}
});
ab33=new JButton("object oriented");
ab33.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e)
{
alabel3.setText("Wrong");
}
});
ab34=new JButton("None");
ab34.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e)
{
alabel3.setText("Wrong");
}
});
ab41=new JButton(".c->.obj->.bak");
ab41.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e)
{
alabel4.setText("Correct");
score++;
}
});
ab42=new JButton(".c->.bak->.obj");
ab42.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e)
{
alabel4.setText("Wrong");
}
});
ab43=new JButton(".obj->.bak->.c");
ab43.addActionListener(new ActionListener()
{
public void actionPerformed(ActionEvent e)
{
alabel4.setText("Wrong");
}
});
ab44=new JButton("None");
ab44.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e)
{alabel4.setText("Wrong");
}
});
ab51=new JButton("binary tree");
ab51.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e)
{
alabel5.setText("Wrong");
}
});
ab52=new JButton("queue");
ab52.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e)
{
alabel5.setText("Wrong");
}
});
ab53=new JButton("recursion");
ab53.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e)
{
alabel5.setText("Correct");
score++;
}
});
ab54=new JButton("None");
ab54.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e)
{
alabel4.setText("Wrong");
}
});
jpanel3.add(qlabel1);
jpanel3.add(ab11);
jpanel3.add(ab12);
jpanel3.add(ab13);
jpanel3.add(ab14);
jpanel3.add(alabel1);
jpanel3.add(qlabel2);
jpanel3.add(ab21);
jpanel3.add(ab22);
jpanel3.add(ab23);
jpanel3.add(ab24);
jpanel3.add(alabel2);
jpanel3.add(qlabel3);
jpanel3.add(ab31);
jpanel3.add(ab32);
jpanel3.add(ab33);
jpanel3.add(ab34);
jpanel3.add(alabel3);
jpanel3.add(qlabel4);
jpanel3.add(ab41);
jpanel3.add(ab42);
jpanel3.add(ab43);
jpanel3.add(ab44);
jpanel3.add(alabel4);
jpanel3.add(qlabel5);
jpanel3.add(ab51);
jpanel3.add(ab52);
jpanel3.add(ab53);
jpanel3.add(ab54);
jpanel3.add(alabel5);
result=new JButton("Click to see your reportcard");
result.addActionListener(new ActionListener()
{
public void actionPerformed(ActionEvent e)
{
cardlayout.show(cardpanel,"4");
}
});
jpanel3.add(result);
jpanel4=new JPanel();
jscore=new JLabel();
if(score==5)
{
jscore.setText("******Congratulations!!! A perfect score indeed!!!!!!******");
}
else if(score>=3)
{
jscore.setText("You have passed. Your score is : "+ score);
}
else
{
jscore.setText("You have failed. Your score is :"+ score);
}
jpanel4.add(jscore);
cardpanel.add(jpanel1,"1");
cardpanel.add(jpanel2,"2");
cardpanel.add(jpanel3,"3");
cardpanel.add(jpanel4,"4");
add(cardpanel,BorderLayout.CENTER);
//add(buttonpanel,BorderLayout.SOUTH);
frame.setVisible(true);
frame.setResizable(true);
}
public static void main(String[] args)
{
OnlineExam frame = new OnlineExam();
frame.setTitle("EXAM ON C PROGRAMMING");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setSize(500,500);
frame.setVisible(true);
frame.pack();
}
}
Upvotes: 0
Views: 524
Answers (1)
Mustafa Poya
Reputation: 3027
the problem is with location of your code:
if (score == 5) {
jscore.setText("******Congratulations!!! A perfect score indeed!!!!!!******");
} else if (score >= 3) {
jscore.setText("You have passed. Your score is : " + score);
} else {
jscore.setText("You have failed. Your score is :" + score);
}
according to your code this section runs only one time and the jscore text does not change after changing the correct answers so I moved this section of your code inside result button to check it after each click of this as:
result = new JButton("Click to see your reportcard");
result.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
cardlayout.show(cardpanel, "4");
if (score == 5) {
jscore.setText("******Congratulations!!! A perfect score indeed!!!!!!******");
} else if (score >= 3) {
jscore.setText("You have passed. Your score is : " + score);
} else {
jscore.setText("You have failed. Your score is :" + score);
}
}
});
the complete code:
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
class OnlineExam extends JFrame {
CardLayout cardlayout;
JPanel jpanel1, jpanel2, jpanel3, jpanel4, cardpanel, buttonpanel;
JLabel label1, label2, label3, label4, label5, label6, qlabel1, qlabel2, qlabel3, qlabel4, qlabel5, alabel1,
alabel2, alabel3, alabel4, alabel5, jscore;
JTextArea field1, field2;
JButton b1, b2, ab11, ab12, ab13, ab14, ab21, ab22, ab23, ab24, ab25, ab31, ab32, ab33, ab34, ab35, ab41, ab42,
ab43, ab44, ab45, ab51, ab52, ab53, ab54, ab55, result;
int score = 0;
OnlineExam() {
JFrame frame = new JFrame("Exam On C Programming");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setSize(500, 500);
cardlayout = new CardLayout();
cardpanel = new JPanel();
cardpanel.setLayout(cardlayout);
//JPanel1::
jpanel1 = new JPanel();
jpanel1.setBackground(Color.pink);
label1 = new JLabel("Enter Username");
label1.setFont(new Font("Arial", Font.BOLD, 16));
label2 = new JLabel("Enter password");
label2.setFont(new Font("Arial", Font.BOLD, 16));
field1 = new JTextArea(1, 40);
field2 = new JTextArea(1, 40);
jpanel1.add(label1);
jpanel1.add(field1);
jpanel1.add(label2);
jpanel1.add(field2);
b1 = new JButton("Next");
b1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
cardlayout.show(cardpanel, "2");
}
});
jpanel1.add(b1);
//jpanel 2::
jpanel2 = new JPanel();
jpanel2.setBackground(Color.pink);
jpanel2.setLayout(new BoxLayout(jpanel2, BoxLayout.Y_AXIS));
label3 = new JLabel(" EXAM INSTRUCTIONS ");
label3.setFont(new Font("Arial", Font.BOLD, 20));
label4 = new JLabel("1. The exam consists of 5 questions. Each question is of 1 mark.");
label4.setFont(new Font("Arial", Font.PLAIN, 16));
label5 = new JLabel("2. The total time alloted is 5 min.");
label5.setFont(new Font("Arial", Font.PLAIN, 16));
label6 = new JLabel("3. There will be no negative marking.");
label6.setFont(new Font("Arial", Font.PLAIN, 16));
jpanel2.add(label3);
jpanel2.add(label4);
jpanel2.add(label5);
jpanel2.add(label6);
b2 = new JButton("Ready for Exam? Click here.");
b2.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
cardlayout.show(cardpanel, "3");
}
});
jpanel2.add(b2);
jpanel3 = new JPanel();
jpanel3.setBackground(Color.yellow);
jpanel3.setLayout(new BoxLayout(jpanel3, BoxLayout.Y_AXIS));
qlabel1 = new JLabel("1. Command Line Arguments have how many parameters?");
qlabel2 = new JLabel("2. Graph data structure is used in____");
qlabel3 = new JLabel("3. C language is a ________ language");
qlabel4 = new JLabel("4. what is sequence of extensions of file created after we hit the run button? ");
qlabel5 = new JLabel("5. Tower of Hanoi problem can be solved using____");
alabel1 = new JLabel("Result");
alabel2 = new JLabel("Result");
alabel3 = new JLabel("Result");
alabel4 = new JLabel("Result");
alabel5 = new JLabel("Result");
ab11 = new JButton("1");
ab11.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
alabel1.setText("Wrong");
}
});
ab12 = new JButton("2");
ab12.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
alabel1.setText("Correct");
score++;
}
});
ab13 = new JButton("3");
ab13.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
alabel1.setText("Wrong");
}
});
ab14 = new JButton("None");
ab14.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
alabel1.setText("Wrong");
}
});
ab21 = new JButton("running appliances");
ab21.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
alabel2.setText("Wrong");
}
});
ab22 = new JButton("sharing media files");
ab22.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
alabel2.setText("Wrong");
}
});
ab23 = new JButton("finding places");
ab23.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
alabel2.setText("Correct");
score++;
}
});
ab24 = new JButton("playing video games");
ab24.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
alabel2.setText("Wrong");
}
});
ab31 = new JButton("structural");
ab31.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
alabel3.setText("Wrong");
}
});
ab32 = new JButton("procedural");
ab32.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
alabel3.setText("Correct");
score++;
}
});
ab33 = new JButton("object oriented");
ab33.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
alabel3.setText("Wrong");
}
});
ab34 = new JButton("None");
ab34.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
alabel3.setText("Wrong");
}
});
ab41 = new JButton(".c->.obj->.bak");
ab41.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
alabel4.setText("Correct");
score++;
}
});
ab42 = new JButton(".c->.bak->.obj");
ab42.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
alabel4.setText("Wrong");
}
});
ab43 = new JButton(".obj->.bak->.c");
ab43.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
alabel4.setText("Wrong");
}
});
ab44 = new JButton("None");
ab44.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
alabel4.setText("Wrong");
}
});
ab51 = new JButton("binary tree");
ab51.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
alabel5.setText("Wrong");
}
});
ab52 = new JButton("queue");
ab52.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
alabel5.setText("Wrong");
}
});
ab53 = new JButton("recursion");
ab53.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
alabel5.setText("Correct");
score++;
}
});
ab54 = new JButton("None");
ab54.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
alabel4.setText("Wrong");
}
});
jpanel3.add(qlabel1);
jpanel3.add(ab11);
jpanel3.add(ab12);
jpanel3.add(ab13);
jpanel3.add(ab14);
jpanel3.add(alabel1);
jpanel3.add(qlabel2);
jpanel3.add(ab21);
jpanel3.add(ab22);
jpanel3.add(ab23);
jpanel3.add(ab24);
jpanel3.add(alabel2);
jpanel3.add(qlabel3);
jpanel3.add(ab31);
jpanel3.add(ab32);
jpanel3.add(ab33);
jpanel3.add(ab34);
jpanel3.add(alabel3);
jpanel3.add(qlabel4);
jpanel3.add(ab41);
jpanel3.add(ab42);
jpanel3.add(ab43);
jpanel3.add(ab44);
jpanel3.add(alabel4);
jpanel3.add(qlabel5);
jpanel3.add(ab51);
jpanel3.add(ab52);
jpanel3.add(ab53);
jpanel3.add(ab54);
jpanel3.add(alabel5);
result = new JButton("Click to see your reportcard");
result.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
cardlayout.show(cardpanel, "4");
if (score == 5) {
jscore.setText("******Congratulations!!! A perfect score indeed!!!!!!******");
} else if (score >= 3) {
jscore.setText("You have passed. Your score is : " + score);
} else {
jscore.setText("You have failed. Your score is :" + score);
}
}
});
jpanel3.add(result);
jpanel4 = new JPanel();
jscore = new JLabel();
jpanel4.add(jscore);
cardpanel.add(jpanel1, "1");
cardpanel.add(jpanel2, "2");
cardpanel.add(jpanel3, "3");
cardpanel.add(jpanel4, "4");
add(cardpanel, BorderLayout.CENTER);
// add(buttonpanel,BorderLayout.SOUTH);
frame.setVisible(true);
frame.setResizable(true);
}
public static void main(String[] args) {
OnlineExam frame = new OnlineExam();
frame.setTitle("EXAM ON C PROGRAMMING");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setSize(500, 500);
frame.setVisible(true);
frame.pack();
}
}
Upvotes: 1
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