Beginning Spring

Charpt 2

you created two factory methods marked with the org.springframework.context.annotation.Bean annotation. Those methods are called by the Spring Container during bootstrap, and their returning values are treated as Spring‐managed beans，被Bean注释的，Spring 保证为单例 如：

@Bean
public AccountDao accountDao()
{
	AccountDaoInMemoryImpl bean = new AccountDaoInMemoryImpl();
	return bean;
}