bean配置以及JAVA如何调用bean参数

<!--spring IOC bean-->
<bean id="beanId" class="com.test.interfaceImpl">
    <property name="name" value="张三"/>
</bean>

/*调用bean*/
ApplicationContext app = new ClassPathXmlApplicationContext("app.xml");
interfaceName d = (interfaceName) app.getBean("beanId");
d.sayHello();