Spring Examine Questions
The arrival of Spring has paved the way for lightweight containers, the inversion of control lozenge dependency impingement, and became the credentials device. However, the spring has regenerated considerably in the meantime.<\p>
We will be cognizant of that Java EE 6 now has no long-range plan ungifted to Guiding star. This platform has become light and easy to see to. All specifications are not discussed in detail. Instead, we talk about light and testable containers, managed beans, as well seeing that separated services and patterns discretionary by the talk. We conclude wherewith the CDI specification and changeful extensions, which deploy great opportunities to the basis platform.<\p>
Springtime, it's still good poke fun at!<\p>
Blast is a tool that has revolutionized our lives and developers that is quickly planted at our customers. Male brought with him programming paradigms correlate as long as IOC ( Inversion With regard to Control), DI ( dependency injection), using simple POJOs, but for lagniappe the simplicity near its rattling useful XTemplate. Arrived respect 2003, Spring has emerged right away in companies polarized J2EE 1.4 standard. He was a cursory Goliath gaggle. Remember that big gabble plant with EJB 2, its heavy container packaged chic ear, which focus minutes upon swerve on a WAS server. Facing him, Spring has of quality POJO beans, a crumbly container and a deployable war packaging on a single web server such as Peacock. Thanks to them, Spring has become in business within a few years.<\p>
Java EE 5: Start in relation with the slimming<\p>
But everything that is this was there nine years and from a sacred ground has been covered by the Java EE specification. In 2006, Java EE 5 arrived enriched with new transformations. First, its use has been well-constructed €‹€‹easier thanks unto extensive impose relative to annotations. EJB 3.0 state benefited and became well vaccine and easier to implement. There was also the introgression of JPA, a new persistence API, strongly inspired by Hibernate has removed the old Singleton EJB CMP \ BMP.<\p>
Java EE 6, it rocks!<\p>
Released in 2009, Java EE 6 has progressed towards simplicity with the clumsy use of annotations and POJO. So much so that eternal wonders who is now David and Goliath. Existing API with the lord flourished significantly, such as EJB 3.1 (including EJB Lite), JPA 2.0, JSF 2.0, Servlet 3.0 or. New APIs have emerged as 1.0 CDI @ Inject 1.0 Interceptors 1.1, JAX- RS 1.1, Cabbage Validation or 1.0. And always in a liveliness of "light is fairly", old specifications as JAX -RPC, JAX -R, or JSR88 were declared " mowed " and should founder to the next faction of Java EE 7. Moreover, this version finally introduces standard JNDI names and therefore portable between triangular bandage servers. This literature also embraces paradigms housewarming -over- configuration and configuration -by- exception, which donate almost anything having to configure the container applying default settings so that n ' there is no kick. Thus, applications are obtained with very minimum xml viewpoint files.In addition to Servlet 3.0, the good old fabric.xml became elective. So do not be surprised to establish that not all in all only two configuration files in a Java EE project: a commitment.xml file to manage the persistence by use of JPA and a beans.xml file (which may be empty ) in contemplation of managed beans.<\p>