i`m making Quiz program which asking State and you answer capital. here is code
import java.util.*;
import java.awt.*;
import java.applet.Applet;
import java.awt.event.*;
import java.io.*;
import java.util.Random;
public class Quiz extends Applet {
private String textfile = null;
private TextPanel text_p = null;
private Vector question = new Vector();
private Vector answer = new Vector();
public Quiz(String textfile) throws IOException{
this.textfile = textfile;
BufferedReader reader = new BufferedReader(new FileReader(textfile));
String line = null;
while((line = reader.readLine()) != null) {
StringTokenizer parser = new StringTokenizer(line, "/");
String quest = (String)parser.nextToken();
String ans = (String)parser.nextToken();
question.add(quest.trim());
answer.add(ans.trim());
}
reader.close();
}
public void init() {
text_p = new TextPanel(question, answer);
add("Center", text_p);
}
public static void main(String args[]) throws IOException {
Frame f = new Frame("Quiz");
Quiz text = new Quiz("textfile.txt");
text.init();
f.add("Center", text);
f.setSize(400, 200);
f.show();
}
}
class TextPanel extends Panel implements ActionListener {
private TextField text = new TextField(30);
private Label lb = new Label();
private Button bt1 = new Button("enter");
private Button bt2 = new Button("start");
private TextArea area = new TextArea(1,30);
private int quest_no = 0;
private Vector question = null;
private Vector answer = null;
public TextPanel(Vector question, Vector answer) {
this.question = question;
this.answer = answer;
setLayout(new BorderLayout());
add("North", lb);
add("West",text);
add("East", bt2);
add("South", area);
add(bt1);
setSize(500,200);
bt1.addActionListener(this);
bt2.addActionListener(this);
}
public void actionPerformed(ActionEvent ev) {
String label = ev.getActionCommand();
if(label.equals("enter")) {
if(((String)answer.elementAt(quest_no)).equals(text.getText().trim()))
area.setText("Correct Answer.");
else
area.setText("Wrong Answer.");
}
else if(label.equals("next")) {
quest_no++;
if(quest_no == question.size())
quest_no = 0;
lb.setText((String)question.elementAt(quest_no));
text.setText("");
area.setText("");
}
else if(label.equals("start")) {
quest_no = 0;
lb.setText((String)question.elementAt(quest_no));
text.setText("");
area.setText("");
bt2.setLabel("next");
bt2.validate();
}
}
}
in the text file (textfile.txt) has
What is capital of Delaware? / Dover
What is capital of Pennsylvania? / Harrisburg
What is capital of New Jersey? / Trenton
What is capital of Georgia? /Atlanta
What is capital of Connecticut? /Hartford
these information (it's all 50 states)
i`m having two problem right now.
1) Question dose not come out ramdom
2) After 10 ramdom question i also need to print our result.
(how many correct answer or wrong answer)
I try to use ramdom access file, it keep comes out with error.
if anybody good on JAVA please help me.
Thank you.
