Java Enterprise Edition (JavaEE) is a platform for enterprise computing for Java.
-1
votes
1answer
13 views
JAX-RS JAX-RS convert Integer list to JSON format automatically [closed]
HI I want to ask about this info can JAX-RS convert Integer list to JSON format automatically
0
votes
1answer
67 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 ...
1
vote
0answers
45 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
116 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 ...
0
votes
0answers
122 views
Trying to understand annotations & static with Java EE 7 Tutorial (JAX-WS)
I'm trying to understand annotations and the use of static with Java. I´m reading Java EE 7 Tutorial about JAX-WS API and I tried to run this simple example
...
1
vote
1answer
119 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
190 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 ...
0
votes
0answers
36 views
Modularization of application [duplicate]
I am creating an application that will track different things on relating to a given farm. When I started to look at what I was going to create I saw that some parts of the application infact could be ...
-2
votes
1answer
88 views
Modularization of application
I am creating an application that will track different things on relating to a given farm. When I started to look at what I was going to create I saw that some parts of the application infact could be ...
3
votes
1answer
371 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
90 views
Advice needed on Process - Service Design
Need some advice from experts on designing a flow. Create a service that will read a csv file which may contain anywhere over 6000+ rows of individual ids as shown in the sample below.
Need to read ...
0
votes
1answer
57 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? ...
0
votes
0answers
120 views
Recommended to Override init() method in Servlets but not init(ServletConfig config)
I was going through some concepts in Servlets. Here the recommendation is that we can freely override init() than init(ServletConfig config).
One reason I see is becasuse it is inherited from the ...
0
votes
1answer
885 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 ...
0
votes
2answers
2k 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
606 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
128 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
202 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
2answers
213 views
Building Website with JAX-RS (Jersey)
Is it discouraged/not-common to build Websites (not web-services!) using Jersey or any other JAX-RS implementation ?
I didn't find any guide/tutorial/article regarding that..
At first impression , ...
0
votes
0answers
93 views
Unit Test the integration layer using CDI
JEE-CDI allows you to create applications integrating components with annotations and configuration files. What I call integration layer is the set of annotation and configuration file that enables ...
0
votes
1answer
106 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
81 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
215 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
520 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
598 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 ...
1
vote
1answer
245 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
546 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
350 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 ...
4
votes
2answers
241 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 ...
0
votes
1answer
195 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
160 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 ...
2
votes
1answer
414 views
Why isn't Java being used for web multimedia applications?
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
248 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
194 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
321 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 ...
0
votes
1answer
303 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
848 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
206 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
358 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
3k 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 ...
4
votes
4answers
1k 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
921 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 ...
4
votes
1answer
2k views
Node.js Or servlets?
I have heard a lot and read about the Javascript server side language i.e Node.js, and saw many comparisons in favor of Node.
I don't understand what makes it better or faster, or how it even relates ...
3
votes
2answers
333 views
Is it possible to migrate struts/spring based application to GWT?
I am using the combination of spring, spring-security, struts and iBatis in my application. Now I am looking to migrate the struts UI to GWT.
The new combination must be spring, spring-security, GWT ...
4
votes
3answers
242 views
When, how and why should one upgrade (Java) frameworks?
Short summary as introduction:
We are a small Java web development team, creating applications using various frameworks and libraries like JSF, Hibernate, Seam, all together deployed in JBoss AS.
...
0
votes
1answer
194 views
EJB Lifecycle and Relation to WARs
I've been reading up on EJBs (3.x) and believe I understand the basics. This question is a "call for confirmation" that I have interpreted the Java EE docs correctly and that I understand these ...
15
votes
2answers
9k views
Selecting a JAX-RS implementation for a new project
I'm starting a new Java project which will require a RESTful API. It will be a SaaS business application serving mobile clients.
I have developed one project with Java EE 6, but I'm not very familiar ...
2
votes
2answers
168 views
Where to start when digging into an existing J2EE codebase?
I work for a company that produces enterprise applications to be used by schools and districts to manage all of their tests and standards data. Their existing application is written in J2EE and is ...
3
votes
5answers
5k views
How to unit test a jsp file?
I'm developing a Java 6 EE application and I'm testing my jsp code with another one with a testing version of the function calls and code used in the original one but it seems loose and impractical. ...
6
votes
1answer
892 views
exact answer for “what is j2ee?” - job interview
I'd like to ask if someone of you knows the exact meaning of JEE.
That's because a collegue of mine was asked this question in a job interview, and was "unable to answer properly"... to speak with ...