When iam trying to run spring example i am facing the following exception

When iam trying to run spring example i am facing the following exception

SEVERE: Context initialization failed
org.springframework.beans.factory.CannotLoadBeanClassException: Cannot
find class [spring.test.StockValueFetcher] for bean with name 'stockBean'
defined in ServletContext resource [/WEB-INF/applicationContext.xml];
nested exception is java.lang.ClassNotFoundException:
spring.test.StockValueFetcher
and my applicationContext.xml is
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN"
"http://www.springframework.org/dtd/spring-beans.dtd">
<beans>
<bean id="stockBean" class="spring.test.StockValueFetcher">
</bean>
</beans>
i have searched for the same in stackoverflow and other sites but i
couldnot find any helpful solution