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Enterprise Java Beans (EJB)
Enterprise Java Beans (EJBs) is an API within the Java EE specification that provides a standard component architecture for building object-oriented business applications. EJBs are reusable Java objects or POJOs that run in…
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Java Persistence API (JPA) ~ Part 1 ~ The basics
What is persistence? Applications are designed to store and manipulate data in a remote datasource/database so that it can be retrieved, processed, transformed or analyzed at a later time. Persistence refers to the…
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Inversion of control in Spring
In Inversion of Control (IOC), the container itself maintains the class dependencies and manages the lifecycle of those dependencies. Objects are injected as dependencies when required at runtime or at application startup as…
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Java Objects & Classes
An object contains data and the behaviors of a single concept. The way we represent objects and how we use them are defined in classes therefore objects are an instance of a class…
