How to import a Text file content to a JTextArea in a Java application?

Question

how to import a Text file content to a JTextArea in a Java application using JFileChooser?

Answer 1

private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {                                         
    JFileChooser jf = new JFileChooser();
     final JEditorPane document = new JEditorPane();
    int returnval=jf.showDialog(this, null);
    File file = null;
    if(returnval == JFileChooser.APPROVE_OPTION)     
     file = jf.getSelectedFile(); 
    String str ;
    try {
        byte bt[]= Files.readAllBytes(file.toPath());   
        str=new String(bt,"UTF-8");
        System.out.println(str);
    } catch (IOException ex) {
        Logger.getLogger(test.class.getName()).log(Level.SEVERE, null, ex);
    }
}