Java Enterprise Edition (JavaEE) is a platform for enterprise computing for Java.

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-3
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3answers
125 views

What programming languages are most suitable for implementing design patterns? [closed]

What programming language is best for implementing design patterns, (Factory , etc) especially for example if I need to develop a engineer scheduling system in less than a month. Would Java be my ...
1
vote
1answer
84 views

Debugging xml and annotations

By now, most web containers have an annotation variant of their xml configurations for Java EE. I'm guessing this is because it's better to keep things in Java where they can be managed, coded with ...
0
votes
1answer
110 views

Spring web application deployment infrastructure

I'm interested in hearing out what's out there in terms of tips and tricks on deploying and maintaining a Java web application whilst keeping agile. I'm running solo on a startup project I'd like to ...
2
votes
3answers
264 views

Could the creation of many methods in Java affect performance? [closed]

I was told by a colleague that in Java, the performance may be worse if we create more methods, stacking many methods calling over them in JVM, specially in a Java EE environment. This seems to ...
1
vote
1answer
81 views

How to avoid model duplication in JavaEE web applications with a JSON front end

Recently we developed a web app that uses the following tech stack: hibernate as orm spring extjs (MVC javascript front end) For 1 business object, let it be a Personnel, we have: 1) a Personnel ...
5
votes
6answers
425 views

Desktop to Web - How to deal with user-interactive workflows

I start a new project this summer, consisting in developing a web version of a proprietary desktop ERP. The main goal of my company is to be able to propose a web version of its ERP, with all ...
0
votes
3answers
306 views

Why do APIs generally consist of interfaces? [duplicate]

I am starting out in Java API design and in reading existing code bases, I have found that most APIs consist of interfaces only with their implementations bundled in a different package. Having read ...
3
votes
3answers
265 views

If I unite many web apps into one, will I save resources?

I'm comparing 2 different approaches of J2EE application architecture: Divide independent parts as modules of one big web app. Divide independent parts as different web apps running on same server. ...
0
votes
1answer
90 views

How should a JEE application store credentials for logging in to an external system?

I am in a situation where I have a Web Application (WAR) that is accessing a REST service provided by another application. The REST service uses Basic HTTP Authentication. So that means the ...
0
votes
0answers
61 views

Including front end designers in enterprise web development

We are developing a web application using Java EE. The stack is heavy, the deployment is complex and now we want to include a purely CSS designer in the team. We want to include this designer without ...
0
votes
1answer
87 views

Best way to make synchronous calls between JEE apps [closed]

I have two jee web apps that are going to be published on the same physical server, but on different network addresses. APP A: Listens to a port on a public IP address and makes synchronous ...
-5
votes
4answers
270 views

Why creativity is consider a bad practice by architects? [closed]

If you do something creative (for example I did a new approach to logging) is consider a bad practice. the good practice in Java is to put static field logger in every class. My approach creates ...
1
vote
1answer
99 views

Implementing an interface from a framework vs simple java interface

This concept is unclear with me. I have worked on several frameworks for an instance Spring. To implement a feature we always implement some interfaces provided by the framework. For an instance if ...
0
votes
0answers
244 views

Generic/Dynamic objects in JSF

I'm starting to learn JSF and I was wondering how could I implement the following: I have an instance of Spring that contains several beans for logical and database operations, for example I have a ...
2
votes
2answers
296 views

J2EE - Session swap

Application server - JBoss AS 7.1.1 JDK6 J2EE 1.3 My web application is more than 10 years old and facing this session swap problem in my portal. Noticed that swap happens mostly when many ...
3
votes
5answers
10k views

Java web application folder structure

As a beginner to J2EE, I have recently started developing my own project from scratch using the Core of J2EE : Servlets & Jsps. I could not evaluate whether my project folder structure is right ...
0
votes
2answers
182 views

SOA, Java EE and data organization

At the company I work for, we're currently splitting up our monolith solution into a number of small services (SOA). The purpose of this is to make the developers working on each chunk of code ...
2
votes
0answers
257 views

How to package static content outside of web application?

Our web application has static content packaged as part of WAR. We have been planning to move it out of the project and host it directly on Apache to achieve the following objectives. It's getting ...
1
vote
1answer
173 views

The Nature of Spring [duplicate]

Is it accurate to say that dependency injection manually using java (without spring) is nothing but implementing the strategy pattern (as per this example)? Furthermore, is it correct to say that ...
1
vote
1answer
408 views

Applying DDD principles in a RESTish web service

I am developing an RESTish web service. I think I got the idea of the difference between aggregation and composition. Aggregation does not enforce lifecycle/scope on the objects it references. ...
4
votes
1answer
299 views

Shall I separate the admin part from the rest of the war

I built a web-applicationg using struts2. Then I built a small admin interface in the same war. With time the webapp grew and so the admin-interface. Now, I'm thinking to separate the admin interface ...
4
votes
1answer
462 views

Web app outgrowing current framework

I have quite a bit of experience with using Django for websites and so when I started a new project I naturally chose to use Django for it. Everything went well for a time but now the application is ...
0
votes
1answer
103 views

Do JAX WS implementation classes come as part of the Java 5/6 package or only as part of an application server libraries?

Do JAX WS implementation classes come as part of the Java5 package, as part of the Java6 package or only as part of an application server libraries like WAS? I read that it comes as part of Java EE? ...
1
vote
1answer
7k views

Why use JSP instead of servlets? [closed]

(Rewritten for reopening:) What are relative advantages of Servlets over JSP, or vice versa? Might JSP be preferred because it is easy to put code inside JSP, or Servlets because with them code can ...
2
votes
2answers
13k views

What is the difference between Enterprise Java vs Core Java? [duplicate]

I have some experience in programming in Java but wondering if someone could explain what is the difference between Enterprise Java vs Core Java? Someone asked me a question on whether I use ...
1
vote
1answer
3k views

High-Load Java Server for Multiplayer

I am making a multiplayer game. Now I am trying to choose the technology to connect the android devices to the server. The clients run on Android, and the game is MMORPG. I would like to write the ...
0
votes
1answer
484 views

Creating a separate project for JPA entities

Where I work it is a common practice to create a separate for JPA entities and a project for the web application (the WAR). So basically you have (at least) two project for each application - appJPA ...
6
votes
3answers
249 views

How will writing the transaction part in Java benefit the security of the application, when all other parts are being written in PHP?

A friend of mine while working on a PHP application asked me to write one part of the application in Java. The part that involved transactions. He said it will be better to write this portion in Java. ...
0
votes
1answer
141 views

Controller JSP - no view

Most people say do not use JSPs. But what if I have a JSP that does not show anything, it only acts as a controller? Why would I do that? Because we do not need to redeploy complete webapp to make a ...
1
vote
1answer
86 views

Understanding the meaning of “multiple lifecycles application development”?

Some Agile job posts have a requirement "strong understanding of multiple lifecycles application development", what does it means ? So my question would be: what's that field for, and what would I ...
3
votes
2answers
275 views

java classes and database queries

Can someone please explain the best way to solve this problem. Suppose I have three classes Person Venue Vehicle I have a DAO method that needs to return some or all of these attributes from each ...
0
votes
2answers
974 views

Migrating web app from php to Java [closed]

Hi I had today my first interview for a position of android developer.In my portfolio I had a php e-commerce application that has a catalog , ajax powered shopping cart , and administrator ...
3
votes
2answers
1k views

Recruiter asking for help understanding JEE5 or JEE6 and J2EE. (NOT A JOB POSTING NOT LOOKING FOR CANDIDATES)

I am a recruiter. I want to learn as much as I can about JEE5/JEE6 so when I try and find these types of candidates I can at least talk intelligently with them. What I need to understand is what goes ...
2
votes
1answer
568 views

JUnitEE vs JUnit

I know what unit testing is in general and what JUnit is in particular. But here I see that there is a project called JUnitEE which seems to me to be a wrapper over JUnit. So I would like to better ...
0
votes
6answers
786 views

Looking to build a 2 java applications. should it be web-based application or standalone application?

The first application (web-based) will be located at site1 and once the information is processed, it will be sent to the second application(web-based) located at site2. Application2 needs to be able ...
4
votes
1answer
594 views

Good design for delegates in a service oriented architecture

My problem is quite complex to explain and my English is not excellent, so I hope you can understand my question. In a service oriented architecture there are some modules that own data used by all ...
5
votes
2answers
283 views

JavaEE server experience matters for a developer?

Lately I am seeing quite a few application development job ads asking for experience with this or that Java EE server. I can understand this if it is for a server administrator, however I find it ...
1
vote
1answer
304 views

How do remote interfaces work with JavaEE and glassfish?

I would like to know what is going on "under the hood" if I use remote interfaces in JavaEE. In the project I use a stateless enterprise bean that implements a remote interface. And I can call methods ...
0
votes
2answers
845 views

1 Interface 2 Implementations and an EJB exception

In my JavaEE project I have an interface like this: @Local public interface DataAccess { ... } And two stateless beans implementing it: @Stateless public class DataAccess_Online implements ...
0
votes
4answers
743 views

Why isn't Java being used for web multimedia applications? [closed]

I've been focusing on multimedia applications and I've noticed that most applications don't use Java in the back end. Instead, I see solutions with PHP/ROR/Python and Flash/Silverlight without any ...
5
votes
3answers
334 views

How should I go about “overhauling” a large legacy application? [duplicate]

Possible Duplicate: I’ve inherited 200K lines of spaghetti code — what now? For my next project, I've been tasked with "overhauling" a large legacy web application with many parts. It is a ...
5
votes
2answers
212 views

Is it fine to use logs in the Helper Methods?

I have been doubting for a long time whether or not to have a logger in methods (usually helper methods) like the one below. Whether we can print it in the method or print the response where the ...
3
votes
2answers
769 views

How to remove duplicate exception block code

I have good number of Service and DAO classes which has the same set of 30 line exception code block which gets repeated and it shows up in Code Duplication report. The approach which i can think of ...
1
vote
1answer
558 views

What factors should I consider when logging a (JSF) web-app?

I've recently read the article The Problem with logging and was wondering about my current logging strategy. Usualy I use Log4J in my projects and just have to decide which line/attributes I would ...
2
votes
3answers
2k views

What is meant by 4 GL?

I came across the term 4GL(generation language) in reading about Oracle ADF Busniess components . I want to know what exactly is 4GL ? This is the actual quote from the book Oracle Fusion Guide: ...
1
vote
1answer
403 views

What should be stored in UserContext?

From my general understanding I believe UserContext for a web application is supposed to hold user authentication and authorization (user roles) information. As part of user roles, there are ...
-2
votes
2answers
516 views

How can I test database access methods in Java? [closed]

I want to write a test for a method that accesses a database such as following. public class MyClass{ public String getAddress(Int id){ String query = "Select * from Address where ...
1
vote
3answers
6k views

Relationship DAO, Servlet, JSP and POJO

I want to implement a JSP, POJO, DAO and Servlet in my J2EE program. However, I don't fully understand how the relationship between these elements should be. Is the following (MVC) setup the right way ...
5
votes
4answers
6k views

Is there a recommended order to take the Oracle Java EE certification exams?

I recently passed the Oracle Certified Professional, Java SE 6 Programmer examination. Now, my boss would like me to take "the next step" to broaden my competence. I tried to explain that there is no ...
3
votes
4answers
2k views

Why JSP over Servlets for view?

Although servlets does the task of sending the HTML code to the client programmers weight JSP over servlets for that. Even a JSP code is compiled into servlet before giving the response to the browser ...