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Update FactoryBean generic description in ref docs 

Closes gh-26758
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Sviatoslav Hryb 2021-04-21 15:06:43 +03:00 committed by GitHub
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src/docs/asciidoc/core/core-beans.adoc
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@ -4539,14 +4539,14 @@ Java as opposed to a (potentially) verbose amount of XML, you can create your ow
`FactoryBean`, write the complex initialization inside that class, and then plug your
custom `FactoryBean` into the container.
The `FactoryBean` interface provides three methods:
The `FactoryBean<T>` interface provides three methods:
* `Object getObject()`: Returns an instance of the object this factory creates. The
* `T getObject()`: Returns an instance of the object this factory creates. The
instance can possibly be shared, depending on whether this factory returns singletons
or prototypes.
* `boolean isSingleton()`: Returns `true` if this `FactoryBean` returns singletons or
`false` otherwise.
* `Class getObjectType()`: Returns the object type returned by the `getObject()` method
* `Class<?> getObjectType()`: Returns the object type returned by the `getObject()` method
or `null` if the type is not known in advance.
The `FactoryBean` concept and interface is used in a number of places within the Spring