JAVA9 load module in runtime

LoadModule.java

import java.lang.module.ModuleFinder;
import java.lang.module.ModuleReference;
import java.lang.reflect.Method;
import java.util.Optional;

public class LoadModule {
    public static void main(String[] args) throws Exception {
        load("java.activation");
    }

    public static void load(String name) throws Exception {
        Optional<ModuleReference> ref = ModuleFinder.ofSystem().find(name);

        ModuleLayer boot = ModuleLayer.boot();
        Module m = boot.findModule("java.base").get();
        ClassLoader scl = ClassLoader.getSystemClassLoader();

        Method addOpens = m.getClass().getDeclaredMethod("implAddOpens", String.class);

        addOpens.setAccessible(true);
        addOpens.invoke(m, "jdk.internal.loader");

        Method loadModule = scl.getClass().getMethod("loadModule", ModuleReference.class);

        loadModule.invoke(scl, ref.get());
    }
}