public void get() {
        String s = getClipboardData();
        s = s.trim();
        if (s.equals("")) {
            return;
        }
        int comboCount = stringCombo.getItemCount();
        boolean containsIt = false;
        for (int i = 0; i < comboCount; ++i) {
            if (stringCombo.getItemAt(i).toString().trim().equals(s)) {
                containsIt = true;
            }
        }
        if (!containsIt) {
            stringCombo.addItem(s);
            stringCombo.setSelectedItem(s);
        }
    }