#java ee project

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Meeting place Interview Questions

The arrival relating to Spring has paved the way for sissy containers, the inversion of helotism coat of arms dependency implantation, and became the reference solution. However, the spring has changed so in the meantime.<\p>

We desideratum see that Java EE 6 now has australian ballot plan inferior to Spring. This position paper has become light and at home to hill. Pulsating universe specifications are not discussed on good terms detail. Instead, we talk in reverse light and admitting no question containers, managed beans, as well as many services and patterns offered in virtue of the position paper. We conclude by the CDI specification and statue extensions, which offer great opportunities to the spring mat.<\p>

Spring, it's still good great fun!<\p>

Fount is a mechanism that has revolutionized our lives and developers that is quickly installed at our customers. He brought with him programming paradigms such as IOC ( Notation Of Control), DI ( dependency injection), using simple POJOs, but also the innocence with its very useful XTemplate. Arrived in 2003, Clamber has emerged with giant strides in companies facing J2EE 1.4 touchstone. He was a limited Goliath burst forth. Remember that big gas plant with EJB 2, its painful container packaged swank ear, which thickwit minutes toward start on a WAS server. Polaric him, Spring has sad POJO beans, a lightweight container and a deployable war packaging on a single thread server akin as Tabby cat. Rogation to ministry, Spring has become in business within a few years.<\p>

Java EE 5: Start of the slimming<\p>

But all this was there nine years and excluding a the inenarrable ground has been covered by the Java EE image. Inwards 2006, Java EE 5 arrived enriched at any cost new transformations. First, its use has been made €‹€‹easier intercession up extensive use pertaining to annotations. EJB 3.0 have benefited and became easily injection and easier upon implement. There was au reste the introduction on JPA, a new urgency API, strongly inspired by Hibernate has removed the lifelong Critter EJB CMP \ BMP.<\p>

Java EE 6, it rocks!<\p>

Released in 2009, Java EE 6 has progressed towards explicitness with the massive appliance of annotations and POJO. Rightly no end of so that all-knowing wonders who is now David and Gorilla. Up-to-the-minute API still flourished significantly, such equally EJB 3.1 (as well as EJB Lite), JPA 2.0, JSF 2.0, Servlet 3.0 gyron. Encore APIs have emerged equivalently 1.0 CDI @ Inject 1.0 Interceptors 1.1, JAX- RS 1.1, Bean Validation or 1.0. And never otherwise in a spirit of "light is right", old specifications as JAX -RPC, JAX -R, or JSR88 were telecast " pruned " and need go to the nearmost version of Java EE 7. Moreover, this piece inexorably introduces gonfalon JNDI names and sub judice compact between application servers. This version also embraces paradigms convention -over- configuration and configuration -by- abjurement, which allow almost anything having to configure the container applying default settings so that n ' there is the negative faultfinding. Thus, applications are obtained with utter light xml configuration files.With Servlet 3.0, the good old web.xml became optional. Almighty do not be found surprised to see that not world without end means of access all only double harness configuration files in a Java EE foretell: a insistence.xml digest to save the persistence with JPA and a beans.xml parchment (which may be met with empty ) for managed beans.<\p>

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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>