spring context xml definition

<?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="userService" class="com.example.UserService">
        <property name="userDao" ref="userDao"/>
    </bean>

    <bean id="userDao" class="com.example.UserDao">
        <property name="dataSource" ref="dataSource"/>
    </bean>

    <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
        <property name="driverClassName" value="com.mysql.jdbc.Driver"/>
        <property name="url" value="jdbc:mysql://localhost:3306/users"/>
        <property name="username" value="root"/>
        <property name="password" value="password"/>
    </bean>

</beans>

Explanation: - <?xml version="1.0" encoding="UTF-8"?>: Declares the XML version and encoding used in the document. - <beans xmlns="http://www.springframework.org/schema/beans": Defines the root element <beans> and sets the XML namespace for Spring beans. - xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance": Declares the XML namespace for XML Schema instance. - xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd": Specifies the location of the XML Schema that defines the structure of the XML document. - <bean id="userService" class="com.example.UserService">: Defines a bean named "userService" of class "com.example.UserService". - <property name="userDao" ref="userDao"/>: Sets the property "userDao" of the "userService" bean by referencing the bean with id "userDao". - <bean id="userDao" class="com.example.UserDao">: Defines a bean named "userDao" of class "com.example.UserDao". - <property name="dataSource" ref="dataSource"/>: Sets the property "dataSource" of the "userDao" bean by referencing the bean with id "dataSource". - <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">: Defines a bean named "dataSource" of class "org.springframework.jdbc.datasource.DriverManagerDataSource". - <property name="driverClassName" value="com.mysql.jdbc.Driver"/>: Sets the property "driverClassName" of the "dataSource" bean to the MySQL JDBC driver class. - <property name="url" value="jdbc:mysql://localhost:3306/users"/>: Sets the property "url" of the "dataSource" bean to the URL of the MySQL database. - <property name="username" value="root"/>: Sets the property "username" of the "dataSource" bean to the database username. - <property name="password" value="password"/>: Sets the property "password" of the "dataSource" bean to the database password. ```