PrintWriters

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.FileNotFoundException;
import java.io.PrintWriter;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JTextField;


public class FileTut {

    //Frame Objects:
    private JFrame frame = new JFrame();
    private JTextField txtData = new JTextField();
    private JButton btnWrite = new JButton();

    //File Vars:
    PrintWriter output;
    String path;

    public FileTut() {
        //Frame Attributes:
        frame.setSize(400, 200);
        frame.setLayout(null);
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setVisible(true);
        frame.setResizable(false);

        //txtData Attributes:
        txtData.setSize(400, 20);
        txtData.setLocation(0, 0);

        //btnWrite Attributes:
        btnWrite.setSize(150, 50);
        btnWrite.setText("Write");
        btnWrite.setLocation(120, 30);

        //btnWrite Click Event:
        btnWrite.addActionListener(new ActionListener(){
            public void actionPerformed(ActionEvent arg0) {
                path = JOptionPane.showInputDialog("Enter Path ");
                try {
                    output = new PrintWriter(path);
                    output.println(txtData.getText());
                    output.close();
                    JOptionPane.showMessageDialog(null, "Data Successfully Written To " + path);
                } catch (FileNotFoundException e) {
                    JOptionPane.showMessageDialog(null, "Could not find path " + path);
                }
            }
        });

        //Add Frame Objects:
        frame.add(txtData);
        frame.add(btnWrite);
    }

    public static void main(String[] args){
        new FileTut();
    }

}