このメソッドは、次の質問を GUI にロードすることになっています。
public void readNextEntry() {
list = new ArrayList<String>();
scanner = new Scanner(linesFromFile.get(currentQuestion)).useDelimiter(",|\n");
for (int i = 0; i < 8; i++) {
list.add(scanner.next());
}
}
ロード元となるテキスト ファイルの形式は次のとおりです。
001,what color is the sky,it is blue because of precipitation,green,blue,yellow,red,a,
002,What color are my eyes,they are blue if you look,blue,brown,green,black,a,
003,What color is the water,it is blue because of water,green,blue,red,yellow,b,
うまくいかないのはなぜですか?001
カテゴリ ( )、質問 ( what color is the sky?
)、およびその選択肢( )が読み込まれるはずgreen,blue,yellow,red
です。私の正規表現はオフですか?
編集: 少しのコンテキスト、これは完全なコードです。このスレッドからの提案を試みていますが、これまでのところ成功していません。
package TestAssignment;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.*;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Scanner;
import javax.swing.*;
import javax.swing.border.Border;
public class TestGui extends JFrame implements ActionListener {
private int counter = 0;
private int totalCount = 0;
private JTextArea question = new JTextArea();
private JTextArea recomendedAnswer = new JTextArea();
private JTextArea category = new JTextArea();
private ArrayList<String> list;
private ArrayList<String> linesFromFile;
private int currentQuestion = 0;
private ButtonGroup group = new ButtonGroup();
private ArrayList<JRadioButton> theButtons;
private JLabel response = new JLabel("");
private JButton answer = new JButton("Answer Question");
private Border border = BorderFactory.createLineBorder(Color.BLACK, 1);
private Scanner scanner;
private String fileName;
public void readNextEntry() {
list = new ArrayList<String>();
scanner = new Scanner(linesFromFile.get(currentQuestion)).useDelimiter(",|\n");
for (int i = 0; i < 8; i++) {
list.add(scanner.next());
}
}
public void readFile() {
linesFromFile = new ArrayList<String>();
list = new ArrayList<String>();
try {
scanner = new Scanner(new File(fileName));
while (scanner.hasNextLine()) {
linesFromFile.add(scanner.nextLine());
}
Collections.shuffle(linesFromFile);
} catch (FileNotFoundException e) {
e.printStackTrace();
}
}
public TestGui(String in) {
setLayout(new GridLayout(11, 25));
this.fileName = in;
add(new JLabel("Category : "));
JScrollPane scrollPane1 = new JScrollPane(category);
category.setLineWrap(true);
category.setBorder(border);
add(scrollPane1);
category.setEditable(false);
//int randomNumber = (int) (Math.random() * 10) + 1;
//String line = TestGui.readFileByLine("Questions.txt", randomNumber);
add(new JLabel("Question: "));
JScrollPane scrollPane2 = new JScrollPane(question);
question.setLineWrap(true);
question.setBorder(border);
add(scrollPane2);
question.setEditable(false);
readFile();
readNextEntry();
add(new JLabel("Please Select the correct Answer"));
theButtons = new ArrayList<JRadioButton>();
for (int i = 0; i < 4; i++) {
JRadioButton temp = new JRadioButton();
theButtons.add(temp);
add(temp);
group.add(temp);
}
refreshButtonLabels();
add(response);
category.setText(list.get(0));
question.setText(list.get(1));
add(answer);
answer.addActionListener(this);
}
public void refreshButtonLabels() {
for (int i = 0; i < 4; i++) {
theButtons.get(i).setText(list.get(i + 3));
}
}
@Override
public void actionPerformed(ActionEvent e) {
if (e.getSource() == answer) {
for (int i = 0; i < theButtons.size(); i++) {
JRadioButton button = theButtons.get(i);
if (button.isSelected() && list.get(7).equals("a")) {
counter++;
readNextEntry();
}
else if (button.isSelected() && list.get(7).equals("b")){
counter++;
readNextEntry();
}
else if (button.isSelected() && list.get(7).equals("c")){
counter++;
readNextEntry();
}
else if (button.isSelected() && list.get(7).equals("d")){
counter++;
readNextEntry();
}
}
}
else {
readNextEntry();
{
}
}
package TestAssignment;
import javax.swing.JFrame;
public class Test {
public static void main(String[] args) {
TestGui test = new TestGui();
test.setVisible(true);
test.setSize(600, 600);
test.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
}