spring BeanFactory 的getbean 有几个重载的方法?

Question

spring BeanFactory 的getbean 有几个重载的方法

Answer 1

有四个：（要学会去查看spring的api）
1： <T> T getBean(Class<T> requiredType)
Return the bean instance that uniquely matches the given object type, if any.
2： Object getBean(String name)
Return an instance, which may be shared or independent, of the specified bean.
3：<T> T getBean(String name, Class<T> requiredType)
Return an instance, which may be shared or independent, of the specified bean.
4： Object getBean(String name, Object... args)
Return an instance, which may be shared or independent, of the specified bean.