1-) Java - DOSYAYI OKUR FİLE CHOOSER İLE

private void jButton4ActionPerformed(java.awt.event.ActionEvent evt) {

if (jFileChooser1.showOpenDialog(this) == jFileChooser1.APPROVE_OPTION) {

try {

FileInputStream fr = new FileInputStream(jFileChooser1.getSelectedFile().getAbsoluteFile());

InputStreamReader ist = new InputStreamReader(fr, Charset.forName("ISO-8859-9"));

BufferedReader br = new BufferedReader(ist);

String line = br.readLine();

while (line != null) {

jTextArea1.append(line + "\n");

line = br.readLine(); }

br.close();

} catch (Exception ee) { } } }