那年三月

 1 package com.yf.hello;
 2 
 3 public class HelloWorld {
 4     
 5     private String name ;
 6 
 7     public String getName() {
 8         return name;
 9     }
10 
11     public void setName(String name) {
12         System.out.println("setName="+name);
13         this.name = name;
14     }
15     
16     public HelloWorld(){
17         System.out.println("constructor1.."+name);
18     }
19     
20 
21     public HelloWorld(String name) {
22         this.name = name;
23         System.out.println("constructor2.."+name);
24     }
25 
26     @Override
27     public String toString() {
28         return "HelloWorld [name=" + name + "]";
29     }
30 }

 1 <?xml version="1.0" encoding="UTF-8"?>
 2 <beans xmlns="http://www.springframework.org/schema/beans"
 3     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 4     xsi:schemaLocation="http://www.springframework.org/schema/beans
 5         http://www.springframework.org/schema/beans/spring-beans.xsd">
 6 
 7     <bean id="helloWorld" class="com.yf.hello.HelloWorld" >
 8         <property name="name"><value>zhangsan</value></property>
 9         <!-- <constructor-arg type="String" value="李四"></constructor-arg> -->
10     </bean>
11 </beans>

 1 package com.yf.hello;
 2 
 3 import org.springframework.context.ApplicationContext;
 4 import org.springframework.context.support.ClassPathXmlApplicationContext;
 5 
 6 public class Main {
 7 
 8     public static void main(String[] args) {
 9         ApplicationContext ac = new ClassPathXmlApplicationContext("applicationContext.xml");
10         HelloWorld helloWorld = (HelloWorld) ac.getBean("helloWorld");
11         System.out.println(helloWorld);
12     }
13 
14 }