Python使用单例模式时,可以创建一个Singleton类,所有继承Singleton的子类,都为单例模式 class Singleton(abc.ABCMeta, type): """ Singleton metaclass for ensuring only one instance of a...
@Service public class MyService { private final AnotherService anotherService; @Autowired public MyService(AnotherService anotherService) { this.anoth...