Question

CREATE A JAVA GUI THAT SHOWS THE OUTPUT OF ANY JAVA FILE.

FOR EXAMPLE IF THERE IS A JAVA FILE THAT SIMPLY PRINTS "HELLO WORLD " OR ANY FILE THAT PRINTS TEXT AS OUTPUT .

CREATE A GUI THAT WILL ALLOW USER TO SELECT THE FILE AND RUN AND DISPLAY THE OUTPUT.   

Answer 1

import javax.swing.*;
import java.awt.event.*;
import java.io.*;

public class FileChooserExample extends JFrame implements ActionListener {
   JButton open;
   JTextArea ta;

   FileChooserExample() {
       open = new JButton("Open File");
       open.addActionListener(this);
       open.setBounds(170, 0, 200, 20);
       ta = new JTextArea(800, 800);
       ta.setBounds(0, 20, 800, 800);
       add(open);
       add(ta);
   }

   public void actionPerformed(ActionEvent e) {
       if (e.getSource() == open) {
           JFileChooser fc = new JFileChooser();
           int i = fc.showOpenDialog(this);
           if (i == JFileChooser.APPROVE_OPTION) {
               File f = fc.getSelectedFile();
               String filepath = f.getPath();
               try {
                   BufferedReader br = new BufferedReader(new FileReader(filepath));
                   String s1 = "", s2 = "";
                   while ((s1 = br.readLine()) != null) {
                       s2 += s1 + "\n";
                   }
                   ta.setText(s2);
                   br.close();
               } catch (Exception ex) {
                   ex.printStackTrace();
               }
           }
       }
   }

   public static void main(String[] args) {
       FileChooserExample om = new FileChooserExample();
       om.setSize(500, 500);
       om.setLayout(null);
       om.setVisible(true);
       om.setDefaultCloseOperation(EXIT_ON_CLOSE);
   }
}

Note : Please comment below if you have concerns. I am here to help you

If you like my answer please rate and help me it is very Imp for me