private void btnProcessMouseClicked(java.awt.event.MouseEvent evt) {
        // TODO add your handling code here:
        String a = "Nama saya " + txtNama.getText()+ ", Saya biasa di panggil " + txtNickname.getText() + ", Alamat saya " + txtAlamat.getText() + ", nomor hp saya " + txtNohp.getText();

        plcTxt.setText(a);
    }