Generic type Interface conformity in Java
Forums:
interface IVehicle {
void test();
}
class Car implements IVehicle {
public void test() {
//Implementation
}
}
class Truck { }
class Service<T extends IVehicle> {
List<T> list = new ArrayList<T>();
public void add(T item) {
list.add(item);
}
public void test() {
for (T item : list) {
item.test();
}
}
}
Service<IVehicle> service = new Service<>();
service.add(new Car());
service.test();
service.add(new Truck());//<- Error
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