import javax.swing.*;
import java.awt.*;
import java.io.*;
import java.util.*;
public class table extends JFrame {
    public table() {
        setTitle("Table Example");
        setSize(400, 310);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        String[] colheads = {"NAME", "NUMBER", "MARKS", "RESULT"};
        Object[][] data = loadTableData("Table.txt");

        JTable table = new JTable(data, colheads);
        JScrollPane jsp = new JScrollPane(table);
        getContentPane().add(jsp, BorderLayout.CENTER);
    }
    private Object[][] loadTableData(String filename) {
        ArrayList<Object[]> dataList = new ArrayList<>();
        try {
            BufferedReader br = new BufferedReader(new FileReader(filename));
            String line;
            while ((line = br.readLine()) != null) {
                String[] row = line.split(",");
                dataList.add(row);
            }
            br.close();
        } catch (IOException e) {
            e.printStackTrace();
        }

        return dataList.toArray(new Object[0][0]);
    }
    public static void main(String[] args) {
        SwingUtilities.invokeLater(() -> {
            table frame = new table();
            frame.setVisible(true);
        });
    }
}