Spring Part 07 - @Component

  Spring - @Component

Maven Dependency:

<dependency>

  <groupId>org.springframework</groupId>

  <artifactId>spring-context</artifactId>

  <version>5.3.16</version>

</dependency>

Sample Program for @Component using 'Spring Framework' 

beans_di.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:context="http://www.springframework.org/schema/context"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
        https://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/context
        https://www.springframework.org/schema/context/spring-context.xsd">

<context:component-scan base-package="com.ah.di"/>

</beans>

<context:component-scan base-package="com.ah.di"/>

package com.ah.di;



import org.springframework.context.ApplicationContext;

import org.springframework.context.support.

ClassPathXmlApplicationContext;



public class Test {

    public static void main(String[] args) {

        ApplicationContext context =

    new ClassPathXmlApplicationContext("beans_di.xml");

        /*for(String bean : 

context.getBeanDefinitionNames()){

            System.out.println(bean);

        }*/
       
        var carObj = context.getBean("car",Car.class);
         carObj.displayCarInfo();
    }
}

package com.ah.di;

import org.springframework.stereotype.Component;

@Component
public class Car {

    public void displayCarInfo(){
        System.out.println("car class display method

");
    }
}

package com.ah.di;

import org.springframework.stereotype.Component;

@Component
public class Engine {

    public void testEngine(){
        System.out.println("Engine is working");
    }
}

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