| import com.google.inject.ImplementedBy;
@ImplementedBy(Cat.class)
public interface Animal {
void say();
}
public class Cat implements Animal {
@Override
public void say() {
System.out.println("i am a cat");
}
}
import com.google.inject.ProvidedBy;
@ProvidedBy(HumenProvider.class)
public interface Humen {
void say();
}
import com.google.inject.Provider;
public class HumenProvider implements Provider<Humen> {
@Override
public Humen get() {
Humen humen = new Student();
System.out.println("Provider.get()");
return humen;
}
}
public class Student implements Humen {
@Override
public void say() {
System.out.println("i am a student");
}
}
import com.google.inject.Guice;
import com.google.inject.Injector;
public class Test {
public static void main(String[] args) {
Injector injector = Guice.createInjector();
Animal animal = injector.getInstance(Animal.class);
System.out.println(animal.getClass().getSimpleName());
animal.say();
Humen humen = injector.getInstance(Humen.class);
System.out.println(humen.getClass().getSimpleName());
humen.say();
}
}
|
