Learn To Program With Spring

Explore the foundations of inversion of control and dependency injection, and how the Spring Framework serves as a container, highlighting why Spring benefits dependency injection and emphasizing concepts over code.

Explore how the Spring Framework uses dependency injection to reduce coupling, increase testability, and assemble beans via the inversion of control container.

Learn to apply dependency injection in spring by refactoring a rental service to depend on a source locator interface, using constructor injection and open-closed principles.

Learn to wire beans with Spring's IOC container by configuring an application context XML, using constructor injection, referencing bean dependencies, retrieving beans with getBean, and enabling logging.

Explore how the Spring IOC container centralizes object creation to simplify dependency wiring, compare manual dependency injection, static factory patterns, and Spring IOC benefits for maintaining and flexibility in applications.

Explore how the Spring IoC container enables dependency injection via XML configuration, replacing a kiosk locator with a digital media locator while reducing glue code.

Wire beans using SML metadata to configure the Spring IOC container, enabling constructor and setter injection while recognizing when to use factory and handle scope differences.

Create the base project as a sandbox to experiment with bean configurations in spring, add Mavin dependencies, configure log4j, and set up the spring bean file.

Explain what a spring bean is, how the IOC container creates it from an XML bean definition, and how to retrieve it by id or name.

Learn constructor injection in Spring by defining beans, passing constructor-arg values, and using type and index to select the correct overload for accurate bean instantiation.

Learn constructor injection in spring by wiring a bean as a parameter, using inner beans and ref references, and matching constructor parameter names for streamlined configuration.

Explore setter injection in spring, injecting dependencies through set methods using bean and property tags, with value and ref attributes and type conversion.

learn to use the c and p namespaces in Spring configuration to simplify bean definitions, enabling constructor and setter injection shortcuts, referencing other beans, and comparing verbose versus concise styles.

Explore how to instantiate spring beans without constructors by using static and instance factory methods, including inner beans and factory beans, to inject a calendar dependency via a counter.

Explore Spring bean scopes, including singleton (default), prototype, request, and session, and see how the scope attribute governs bean lifecycles in the application context.

Learn how prototype and singleton beans interact in spring and how application context aware and method injection techniques ensure separate prototype instances every time.

Explore injecting collections into beans using list, set, map, and properties, with generic type parameters and value restrictions, including inner beans and util namespace for configured collection beans.

Learn how spring auto wiring reduces xml configuration by injecting dependencies by type, showing beans D and B wired automatically by the container.

Explore how Spring auto-wires beans by type and by name, resolving ambiguities with bean id, and demonstrating constructor injection and no-arg constructor defaults.

Configure beans with annotations to wire the Spring IOC container, learn autowiring, and decide when to use annotations versus SML for dependency injection.

Enable annotation configuration in the Spring IOC container using the context namespace and annotation config tag, and inject properties with required and value annotations on setters or fields.

Explore annotation-driven auto-wiring in Spring by wiring beans through field, setter, and constructor injections; learn how the container selects constructors and how to handle required dependencies.

Demonstrate how to use the autowired annotation to wire arrays, lists, maps, and sets of beans in spring, inject the application context, and understand type-based autowiring behavior.

Resolve bean ambiguity in Spring by using the qualifier annotation to select the correct bean for auto wiring, including custom qualifiers and fallback to bean ids.

Learn how the resource annotation wires dependencies by name, offering a standards-compliant alternative to by-type autowiring, with demonstrations that reveal its behavior and why it favors explicit by-name wiring.

Enable component scanning to automatically declare beans by scanning a base package and annotating classes with component, service, or repository, and see how qualifiers and bean naming guide dependency injection.

Explore the lazy notation in the Spring ioc container to delay bean instantiation, observe delayed creation with a three-second wait, and understand trade-offs with lazy initialization and error handling.

Apply the qualifier annotation to designate which bean Spring should auto-wire, using the value attribute such as choose me, and apply at type or method level to select the bean.

Apply the scope annotation to define singleton and prototype beans in the Spring IoC container, and validate by retrieving two instances to show identical and distinct behavior.

Learn how to instantiate and assemble beans using Java based configuration in the spring IOC container, compare it with SML and annotation configuration, and mix configuration types using essential annotations.

Learn to instantiate Spring's IoC container with Java-based configuration by replacing XML with a Java config class, declaring beans via @Bean, and bootstrapping with annotation config application context.

Explore how the Spring IoC container wires beans with Java configuration, using constructor and setter injections to assemble interdependent beans while demonstrating singleton scope.

Explore auto wiring in Java-based configuration by annotating beans with component and value annotation, wiring setters with autowiring, and enabling component scanning in Java config.

Learn to mix Spring Java configuration with XML configuration to bootstrap the Spring IOC container by using import resource and wire beans A, B, and C in Java and XML.

Explore Spring IoC container features that simplify configuration and bean management, including externalizing properties, managing resource paths, using configurations, lifecycle hooks, and profile-based beans in XML, annotations, and Java configurations.

Learn how spring resolves resources using the resource interface and its classpath, file, and URL implementations, with value annotations and property editors.

Explore how Spring loads resources by relocating the application context on the classpath or to the file system, and learn to specify fully qualified paths to avoid file IO errors.

Externalize bean properties by placing values in a properties file and loading them into the Spring IOC container with a property placeholder configure, then inject via value or expression language.

Split Spring IoC configuration into multiple files using the import tag, then connect xml or java config with autowiring to share beans.

Learn how the Spring IOC container instantiates and wires beans, and uses post initialization and pre destruction callbacks to run custom logic at key lifecycle points.

Learn how to configure bean lifecycle callbacks with annotations using post construct and pre destroy in spring, replacing init and destroy method attributes, and verify callbacks via console output.

Learn to conditionally load Spring beans for dev, test, and prod using profiles in XML and Java configuration, and set the active profile via run configurations or environment variables.

Explore data access and persistence fundamentals in Spring, compare relational databases with JDBC and JPA, and learn how Spring Data simplifies boilerplate and exception handling for a solid foundation.

Download and install the MySQL community edition server and Workbench to set up a development environment, create a practice schema and a spring user with write access on that schema.

Explore a simple data model for a media rental service, with media, rental location, and rental tables, and map it to a Spring object model for persistent storage.

Compare a traditional JDBC approach with Spring data support to see how Spring reduces boilerplate, handles exceptions, and yields concise, readable data persistence code.

Structure your Spring applications by separating business logic from data persistence using entities, repositories, and services; define repository interfaces with multiple implementations and leverage Spring Data or JPA.

Create a generic repository interface, a rental location repository with its implementation, and a rental service that uses these repositories to persist data to stores with spring data.

Configure the jdbc template, create a data source, and perform CRUD operations with row mapper and resultset extractor to map results, while enjoying reduced boilerplate and unchecked exceptions.

Create and configure a Spring data source to obtain connections via get connection, replace driver manager usage with pooled basic data source, and perform crud operations on the rental_location table.

Demonstrate building repositories with the jdbc template in Spring to simplify data access and map results to objects. Configure data source injection, bean creation, and a find by id query.

Learn to map a multi-column query result to a rental location object using a row mapper with a by id query, configuring a column list for flexible mapping.

Map multiple rows from a result set to rental location objects using a static nested row mapper, and query by state to return a list of locations.

Map the association between rental locations and media with a Spring result set extractor, using a joined query to populate a list of locations and their media.

Use the JDBC template to perform simple inserts with a six-parameter statement, auto-incremented IDs, and an advanced approach with a prepared statement creator and keyholder to fetch generated keys.

Use JdbcTemplate to perform update and delete statements in the rental location repository, using string sql and varargs parameters.

Explore how Spring Data JPA simplifies building a data access layer by configuring a Spring Data JPA project, using repositories for crud operations, and defining repository methods to derive queries.

Learn to configure a spring data JPA project by wiring dependencies, defining the entity manager factory and transaction manager, enabling repositories, and testing with a sample find operation.

Explore spring data repositories with JPA annotations, perform inserts and updates via repositories, and define query methods such as find by title like and find by rating.

Learn to use the Spring web mvc framework with dispatcher servlet routing, annotations, and data binding. Configure a Spring mvc project and map requests using path variables and parameters.

Configure a Spring MVC project quickly with templates, then explore dispatcher servlet routing, context loader, and MVC components that wire controllers, beans, and views with an internal resource view resolver.

Explore a Spring MVC application that handles media rental, showing how the data layer, controller, and service interact to add, search, and rent media with data binding and views.