FirstVisualJava

import java.awt.BorderLayout;
import java.awt.EventQueue;

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import javax.swing.JTextArea;
import javax.swing.JButton;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import javax.swing.JLabel;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.Scanner;

public class Test1 extends JFrame {

    private JPanel contentPane;
    private static File f = new File("ourbasefile.kln");
    private static Test1 frame = null;
    /**
     * Launch the application.
     */
    public static void main(String[] args) {
        EventQueue.invokeLater(new Runnable() {
            public void run() {
                try {
                    frame = new Test1();
                    frame.setVisible(true);
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        });
    }

    /**
     * Create the frame.
     */
    /**
     *
     */
    public Test1() {
        setTitle("No name, sry");
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setBounds(100, 100, 600, 450);
        contentPane = new JPanel();
        contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
        setContentPane(contentPane);
        contentPane.setLayout(null);

        JTextArea textArea = new JTextArea();
        textArea.setBounds(10, 23, 553, 92);
        contentPane.add(textArea);

        JButton btnWriteToFile = new JButton("Write to file");
        btnWriteToFile.addMouseListener(new MouseAdapter() {
            @Override
            public void mouseClicked(MouseEvent arg0) {

                try {
                    FileWriter fw = new FileWriter(f);
                    fw.write(textArea.getText());
                    fw.close();
                } catch (IOException ex) {
                    // TODO Auto-generated catch block
                    ex.printStackTrace();
                }
            }
        });
        btnWriteToFile.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
            }
        });
        btnWriteToFile.setBounds(274, 287, 89, 23);
        contentPane.add(btnWriteToFile);

        JLabel lblNewLabel = new JLabel("");
        lblNewLabel.setBounds(10, 171, 553, 92);
        contentPane.add(lblNewLabel);

        JButton btnReadFromFile = new JButton("Read from file");
        btnReadFromFile.addMouseListener(new MouseAdapter() {
            @Override
            public void mouseClicked(MouseEvent arg0) {
                try {
                    Scanner s = new Scanner(f);
                    String str = s.next();
                    s.close();
                    lblNewLabel.setText(str);
                } catch (FileNotFoundException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
            }
        });
        btnReadFromFile.setBounds(373, 287, 89, 23);
        contentPane.add(btnReadFromFile);

        JButton btnExitProgram = new JButton("Cancel(r)");
        btnExitProgram.addMouseListener(new MouseAdapter() {
            @Override
            public void mouseClicked(MouseEvent arg0) {
                Test1.frame.dispose();
            }
        });
        btnExitProgram.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent arg0) {
            }
        });
        btnExitProgram.setBounds(472, 287, 89, 23);
        contentPane.add(btnExitProgram);

    }
}