如何在 spring 中使用依赖注入将类属性传递值分配给类构造函数？

Question

I am kind of super new to spring. I need to assign a value to my class property using the constructor. I am using the class constructor method in spring dependency injection to do that. How to configure bean XML to do that.

Answer 1

MyBean1.class:

  public class MyBean1{
      private MyBean2 bean2;
      public MyBean1(MyBean2 bean2){
         this.bean2=bean2;
      }
  }

XML:

  <!-- Definition for bean1 -->
   <bean id = "bean1" class = "com.MyBean1">
      <constructor-arg ref = "bean2"/>
   </bean>

   <!-- Definition for bean2 -->
   <bean id = "bean2" class = "com.MyBean2"></bean>