Spring IoC container can manager more then one beans. Beans are created with details provided via metadata configuration to container(via Java code, Java Annotation, XML). Bean Definitions are represented as the Object of BeanDefinition which contains the several metadata information. Properties those are part of BeanDefinitions are
In this tutorial we will check the overview of Spring IoC Container. Interface org.springframework.context.ApplicationContext represents the Spring IoC container and is responsible for instantiating, configuring, and assembling the beans. But how and from where container gets information like which Object to Instaniate, how to configure and assemble it.
@Component : It is generic stereotype for any spring managed component. While other stereotypes like @Repository, @Controller, @Service are specialized form of @Component for specific use. Specilized form of stereotypes(e.g. @Controller) should take precedence over @Component as it will have extra benifit of pointcuts, better suited for processing by spring tools. Since Spring 2.5.
Expression is a type of JSP element which is used to embed Java code in JSP. Container takes the argument of expression (everything written between <%= %>) and put it in as the argument to PrintWriter out which will print on JSP.
What is Hibernate Hibernate is an object-relational mapping (ORM) library for the Java language, providing a framework for mapping an object-oriented domain model to a traditional relational database. Hibernate solves object-relational impedance mismatch problems by replacing direct persistence-related database accesses with high-level object handling functions.
Here we will discuss the some key areas of Oracle which will be usefull for Java beginners(Not Oracle Expert). Oracle has Schemas which is nothing but User. Whenever a user has been created a new schema is also created. If it has grant of session then User can login to Oracle.Objects are also there in… Continue reading
In this tutorial we will learn to develop Hello world example based on Spring MVC.
Introduction: Spring Security provides security services for J2EE-based enterprise software applications.
A JSP becomes a servlet. You don’t directly create servlet, it is generated by Container only. Container takes what you have written in your JSP, translates it into a servlet class source file then compiles that into a java servlet class. And this code would execute in the same as it were written in java file.
Introduction The key unit of modularity in OOP is the class, whereas in AOP the unit of modularity is the aspect. In OOP, classes are organized to perform specific kinds of work. There could be a kind of work that might be done by several classes, in that sense ASPECT will be used.AOP in Spring… Continue reading