Code editor

editcode.java

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

public class JavaCodeEditor extends JFrame implements ActionListener {

    private JTextArea textArea;
    private JButton compileButton;

    public JavaCodeEditor() {
        setTitle("Java Code Editor");
        setSize(800, 600);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        textArea = new JTextArea();
        compileButton = new JButton("Compile");

        compileButton.addActionListener(this);

        setLayout(new BorderLayout());
        add(new JScrollPane(textArea), BorderLayout.CENTER);
        add(compileButton, BorderLayout.SOUTH);
    }

    @Override
    public void actionPerformed(ActionEvent e) {
        if (e.getSource() == compileButton) {
            compileCode();
        }
    }

    private void compileCode() {
        try {
            FileWriter writer = new FileWriter("MyCode.java");
            writer.write(textArea.getText());
            writer.close();

            ProcessBuilder pb = new ProcessBuilder("javac", "MyCode.java");
            pb.redirectErrorStream(true);
            Process process = pb.start();

            BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream()));
            String line;
            StringBuilder output = new StringBuilder();
            while ((line = reader.readLine()) != null) {
                output.append(line).append("\n");
            }

            JOptionPane.showMessageDialog(this, output.toString(), "Compilation Output", JOptionPane.INFORMATION_MESSAGE);
        } catch (IOException ex) {
            ex.printStackTrace();
        }
    }

    public static void main(String[] args) {
        SwingUtilities.invokeLater(() -> {
            JavaCodeEditor editor = new JavaCodeEditor();
            editor.setVisible(true);
        });
    }
}