Working with autowiring and annotations

The Spring container can autowire dependencies between the collaborating beans without using the <constructor-arg> and <property> elements that simplify the application context XML configuration.

The following autowiring modes can be used to instruct a Spring container to use autowiring for dependency injection:

  • no: By default, the settings is no. This means no autowiring.
  • byName: The container tries to match and wire bean properties with the beans defined by the same name in the configuration file.
  • byType: The container tries to match a property if its type matches with exactly one of the bean names in the configuration file. If more than one such bean exists, an exception is thrown.
  • constructor: This is similar ...

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