Spring Null value, Set null value in Springs configuration file
In this example you will see how to set null value in the Spring configuration file
In this example you will see how to set null value in the Spring configuration file
Spring Null value, Set null value in Springs configuration file
In this example you will see how to set null value in the Spring
configuration file.
NullBean.java
package spring.nullvalue.example;
public class NullBean {
private String mesg = "no value passed";
public void setMessage(String mesg) {
this.mesg = mesg;
}
public String getMessage() {
return mesg;
}
}
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NullBeanMain.java
package spring.nullvalue.example;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.context.support.ClassPathXmlApplicationContext;
public class NullBeanMain {
public static void main(String[] args) {
BeanFactory beanfactory = new ClassPathXmlApplicationContext(
"context.xml");
NullBean bean = (NullBean) beanfactory.getBean("basic");
System.out.println(bean.getMessage());
}
}
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context.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:aop="http://www.springframework.org/schema/aop"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.0.xsd">
<bean id="basic" class="spring.nullvalue.example.NullBean">
<property name="message">
<null />
</property>
</bean>
</beans>
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When you run this application it will display output as shown below:
Download this example code
