Bean的沿袭parent

Bean的继承parent
<bean id="testBean" abstract="true" class="test.TestBean">
  <property name="name" value="parent" />
  <property name="age" value="1" />
</bean>
<bean id="derivedTestBean" class="test.DerivedTestBean" parent="testBean" init-method="initialize">
  <property name="name" value="override" />
</bean>