public class TanganiBisaPulih {
    static int bacaBatas(String teks, int bawaan) {
        try {
            return Integer.parseInt(teks);
        } catch (NumberFormatException e) {
            System.out.println("nilai tidak sah '" + teks + "', memakai bawaan " + bawaan);
            return bawaan;
        }
    }

    public static void main(String[] args) {
        System.out.println("batas: " + bacaBatas("25", 10));
        System.out.println("batas: " + bacaBatas("tidak-angka", 10));
    }
}