public class KejarModul {
    public static void main(String[] args) {
        ModuleLayer lapisan = ModuleLayer.boot();
        Module sql = lapisan.findModule("java.sql").orElseThrow();
        Module xml = lapisan.findModule("java.xml").orElseThrow();
        Module base = String.class.getModule();

        System.out.println("java.sql membaca java.xml?  " + sql.canRead(xml));
        System.out.println("java.base membaca java.xml? " + base.canRead(xml));
        System.out.println("java.sql membaca java.base? " + sql.canRead(base));
    }
}