How To Open Text File In JTextArea Using File Chooser In Java

As we see in most popular text editors such as notepad or word that there is option of open file by using this option we can open any text file and can perform several operations provided by that editors.This tutorial shows how to create a your own text editor that can read text files.To perform this task we need one text area to show a content of a file and a file chooser to select file as shown in below code.

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How to read and write text file in java

How to create open file chooser in java
How to save text format file using text area and file chooser

CODING:

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.io.*;
class myjframe1 extends JFrame implements ActionListener
{
JTextArea textArea = new JTextArea();
JMenuBar menuBar = new JMenuBar();  
JMenu file = new JMenu();
JMenuItem open = new JMenuItem();


public myjframe1()
{

setTitle("Opening Txt File");
setSize(300, 200);
setVisible(true);
setDefaultCloseOperation(EXIT_ON_CLOSE);      
textArea = new JTextArea(40,40);
menuBar.add(file);
file.setText("File");
file.add(open);
setJMenuBar(menuBar);
open.setText("OPEN");
setLayout(new FlowLayout(FlowLayout.CENTER));
JScrollPane js = new JScrollPane(textArea,JScrollPane.VERTICAL_SCROLLBAR_ALWAYS,JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED); 
add(js);
open.addActionListener(this);
}
public void actionPerformed(ActionEvent e) {
if (e.getSource() == open)

try
{
JFileChooser open = new JFileChooser();
int option = open.showOpenDialog(this);
File f1 = new File(open.getSelectedFile().getPath());
FileReader fr = new FileReader(f1);
BufferedReader br = new BufferedReader(fr);
String s;
while((s=br.readLine())!=null)
{
textArea.append(s + "\n");
}
fr.close();
}
catch(Exception ae)
{
System.out.println(ae);
}
}
}
class text
{
public static void main(String args[])
{
myjframe1 x= new myjframe1();
}
}

OUTPUT: