Dagger2 MembersInjector example

MembersInjectExample.java

public class Main {

    public static void main(String[] args) {
        A a = new A();
        DaggerComponentA.create().inject(a);

        B b = new B();
        a.injector.injectMembers(b);

        System.out.println(b.string);
    }

}

@Singleton
@Component(modules = MyModule.class)
public interface ComponentA {

    void inject(A a);

}

@Module
public class MyModule {

    @Provides
    public String string() {
        return "42";
    }

}

public class A {

    @Inject
    MembersInjector<B> injector;

}

public class B {

    @Inject
    String string;

}