Spring 6.0官方文档示例（4) 定义内部类的bean实例

package cn.edu.tju.dao;

public class MyOuterClass {
    public MyOuterClass(){

    }
    public static class MyNestClass{
        public MyNestClass(){

        }
        public int b=2024;
    }
}

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
  https://www.springframework.org/schema/beans/spring-beans.xsd">

    <bean id="myNestClass" class="cn.edu.tju.dao.MyOuterClass$MyNestClass"/>
    <bean id="myNestClass2" class="cn.edu.tju.dao.MyOuterClass.MyNestClass"/>


</beans>