@Component Scan Annotation Spring

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

    <context:component-scan base-package="com.hello"/>
    <context:component-scan base-package="com.model"/>
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="viewClass" value="org.springframework.web.servlet.view.JstlView"/>
        <property name="prefix" value="/" />
        <property name="suffix" value=".jsp" />
    </bean>
</beans>






=======================================
package com.model;
public class Student
{
    private String mail,pass;

    public String getMail() {
        return mail;
    }

    public void setMail(String mail) {
        this.mail = mail;
    }

    public String getPass() {
        return pass;
    }

    public void setPass(String pass) {
        this.pass = pass;
    }

    @Override
    public String toString() {
        return "Student{" + "mail=" + mail + ", pass=" + pass + '}';
    }

   
}
========================================



package com.hello;

import com.model.Student;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;

@Controller
public class Main
{
    @RequestMapping("/postdata")
    public String hello(Student s)           
    {
        System.out.println("Student ::: " + s);
        return "yes";
    }
}

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