public static void showResult(JTextArea txt, String result) {
try {
if (txt.getText().length() == 0) {
txt.setText(result);
txt.setSelectionStart(txt.getText().length());
txt.setSelectionEnd(txt.getText().length() - 1);
} else {
if (txt.getText().length() > MAX_LOG_SIZE)
txt.getDocument().remove(0, txt.getText().length() - MAX_LOG_SIZE);
txt.setSelectionStart(txt.getText().length());
txt.getDocument().insertString(txt.getText().length(), result, null);
txt.setSelectionEnd(txt.getText().length());
}
} catch (Exception e) {
e.printStackTrace();
}
}
