Spring_App_8.1_BeanLifeCycleUsingConstructor

package com.amit.bean;

//private class HelloBean  --> we can keep any scope (public , private)
public class HelloBean
{
public HelloBean()               //--> Parameterized constructor not allowed
{
System.out.println("...Bean Instantiation...");
}
public String sayHello()
{
return "Welcome";
}
}

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package com.amit.test;

import org.springframework.context.ApplicationContext;

import org.springframework.context.support.ClassPathXmlApplicationContext;

import com.amit.bean.HelloBean;

public class Test {

public static void main(String[] args) 

{

  ApplicationContext context = new ClassPathXmlApplicationContext("applicationContext.xml");

  HelloBean bean = (HelloBean)context.getBean("helloBean");

  String msg = bean.sayHello();

  System.out.println(msg);

}

}

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<?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

        http://www.springframework.org/schema/beans/spring-beans.xsd">

<bean id="helloBean" class="com.amit.bean.HelloBean">

</bean>

        

</beans>        

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