Difference between J2EE SDK J2SE SDK

Can someone please tel me the difference between J2SE SDK and J2EE SDK, Im new to java n currently using J2SE SDK.

difference b/w j2se nd j2eehttp://java.sun.com/reference/glossary/index.html

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What's the difference between Java SDK and the Enterprise Edition?

What's the difference between Java SDK and the Enterprise Edition? Are they both free?

both r free but they are used in diffrent applications. sdk are used for simple apps that run on your computer while j2e (enterprise edition) are ment for large distributed computer systems that include servers and such. if you don't know the diffrence you probably wont need the the j2e, only the sdk.

Difference between JDK ,SDK ,JRE

Hi all,
Im confused about the difference between JDK ,SDK ,JRE.What all is needed to install Java.Please elaborate.

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What is the difference between JDK & SDK?

What is the difference between JDK & SDK?
its urgent.
thanks

The first letter. That's it.
The J stands for Java, the S stands for Software.
JDK is the old name for the SDK.

What is the difference between J2EE Engine vs WAS in SAP

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Thanks in advance
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Hello Nitzan,
Thanks for the response. Just to clarify my question, There is a J2EE engine as part of BW 3.0B. What is the difference in terms of functionality of J2EE engine which comes bundled with BW 3.0B versus say WAS 6.20.
1. The J2EE engine which comes bundled with BW 3.0B, is it a run time or a full product where a java app can be developed and deployed to integrate with BW or do you need WAS for that purpose.
Thanks & regards
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Difference between BO Sdk and RAS Sdk

Hi,Can somebody tell me the exact difference between Business Object Enterprise SDK and RAS SDK.Is Business Objects Enterprise SDK a replacement for RAS SDK.In other words can we do everything that RAS SDK does with Business Objects Enterprise SDK ?Any information is highly appreciated.Thanks,

We are designing reports using a Designer and wanted to feed the report using run time data rather than report connecting to a database.We are able to do a proof of concept using JRC for eclipse.I guess this is sufficient for our needs as long as it can scale well.Can we buy concurrent process licence CPL for more than 3 users ? We are reluctant to go towards BO server route unless we are very much sure that JRC does not cater to our requirement fully.Just to summarize our requirements.a)Report Designing using a POJO or Java Bean connectivity.b) Feeding the designed report with data at run time.Your response is higly appreciated.Thanks

Difference between J2EE, Apache WebServer and Tomcat

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today I read a lot about WebServers and HTTPClients, ..... Now I am totaly confused. Does J2EE uses Apache and Tomcat or not? And what are the differences between these three implementations?
Thanks,
Sabine

The J2EE SDK and the SJSAS PE 8.0 use Tomcat as a web container.
The J2EE platform provides for many additional services, such as EJB, Connectors, which are not provided by Tomcat.
Please refer to the J2EE Platform spec for additional details.

Difference between J2EE 1.3 and 1.4?

Can someone point me to the difference between the two versions?
Thanks.

The primary change for the developer is the integration of Web Services (WS-I Basic Profile).
From the J2EE 1.4 Specification (http://java.sun.com/j2ee/j2ee-1_4-fr-spec.pdf):
The primary focus of J2EE 1.4 is support for web services. The JAX-RPC and SAAJ APIs provide the basic web services interoperability support. The Web Services for J2EE specification describes the packaging and deployment requirements for J2EE applications that provide and use web services. The EJB specification was also extended to support implementing web services using stateless session beans. The JAXR API supports access to registries and repositories.
Several other APIs have been added to J2EE 1.4. The J2EE Management and J2EE Deployment APIs enable enhanced tool support for J2EE products. The JMX API supports the J2EE Management API. The J2EE Authorization Contract for Containers provides an SPI for security providers.
Many of the existing J2EE APIs have been enhanced in J2EE 1.4. J2EE 1.4 builds on J2SE 1.4. The JSP specification has been enhanced to simplify thedevelopment of web applications. The Connector API now supports integration with asynchronous messaging systems, including the ability to plug in JMS providers.
Changes in this J2EE platform specification include support for deploying class libraries independently of any application and the conversion of deployment descriptor DTDs to XML Schemas.
Other J2EE APIs have been enhanced as well. For additional details, see each of the referenced specifications.
-Alexis

Differences between J2EE 1.3 and J2EE 1.4

Hello community,
we want to know the main differences between these j2ee-versions for our project at the university. We should implement new advantages of 1.4 in our old program which was developed for j2ee 1.3.
Possible topics could be e.g.: improofed security, faster runtime or decreasing complexity / difficulty in coding.
Maybe you can help us.
Greetings from Germany.
PS: The project we started with j2ee 1.3 was a server/client programm
using a webclient JSP + SessionBean + EntityBean + database

Please follow this link to find out what is new in J2EE 1.4: http://java.sun.com/developer/technicalArticles/J2EE/new1_4/
By the way, the next version Java EE 5 is out which adds a number of things to J2EE1.4. The main theme of Java EE 5 has been "ease of development". Please follow the link to find out what is new in Java EE 5.0: http://java.sun.com/javaee/overview/whatsnew.jsp
Since you are using EJBs, for your convenience I have listed below that new changes to EJB 3.0:
1. Session beans need not have home and component interfaces
2. Session beans need not implement the implement the javax.ejb.EnterpriseBean interfaces.
3. Simplification of APIs for access to a bean's environment: definition of a dependency injection facility and simpler look-up APIs.
4. Introduction of Java metadata annotations to be used as an alternative to deployment descriptors. This means that there is no need for creating ejb-jar.xml and sun-ejb-jar.xml
5. Simplification of object persistence by the definition of a light-weight object/relational mapping facility based on the direct use of Java classes rather than persistent components.

Difference between JRE or J2SE

If anyone knows the difference please reply!!!! I need to dowload latest java runtime environment for JCreator program!!!

JRE is a barebones install containing just the libraries required to run a Java program... J2SE contains the JRE plus programs to build/develop Java programs... J2EE contains J2SE plus programs to run a web server, host Java applications, and a variety of enterprise server related functions.

Differences between GUI in j2se and cdc+pp

hello guys and girls,
is there many differences between the GUI in j2se and cdc+pp? I only know that cdc+pp does not support swing. anyone who has such experience in my question, please give me a hand. thanks!

Hi,
What I know about it is that PP implements j2se 1.3 AWT components, and, as for all classes, without deprecated methods.
There is not too much secret about it. I work on a project for Pocket PCs and all the screens I've designed on NetBeans, with it's Form Editor, and then copied and paste the generated code into my project, which I develop using Websphsere Studio Device Developer.
Unfortunately NetBeans Mobility Pack doesn't implement CDC/PP, only CLDC/MIDP.
I hope it can help you a little.

What's the difference between Netscape SDK for Java & JNDI?

I know I can use either JNDI or Netscape SDK to access iDS. So whats their differences basically?
Why would I need JNDI/Netscape SDK if I can just use either of them to access iDS?
Thanks!

Netscape SDK for JAVA developed only for iplanet Directory Server but JNDI for any directory server.
JNDI has classes provided by Sun that will help your application interact with an LDAP server.JNDI applications work similarly to JDBC applications - write applications once and be free to use "drivers" from different vendors. Sun provides the "driver" that will help interact with the LDAP server. Sun also provides "drivers" for other naming services (like CORBA, Netscape).
The Java Naming and Directory Interface (JNDI) allows Java applications to use a single set of methods to access multiple naming and directory services such as LDAP and NIS.
JNDI is a Java API that provides a common way for programmers to access a variety of naming and directory services. The API consists of several packages:
javax.naming for naming operations (access entries)
javax.naming.directory for directory operations (access attributes)
javax.naming.event for requesting event notification
javax.naming.ldap for LDAP-specific features.
JNDI operates through a layer of software called a Service Provider. The Service Provider implements the JNDI operations in terms of a particular underlying protocol.
JNDI's Service Provider Interface (SPI) allows you to select Service Providers at runtime. In many cases you can use the same JNDI methods regardless of whether the Service Provider is talking to an LDAP server or using another protocol such as NIS. In order to access all of the functionality of the LDAP protocol, however, you will have to use methods outside of this abstraction.

Date difference between j2mewtk and j2se

In j2mewtk, I have
DateField aDateField = new DateField("Date", DateField.DATE);
// ...I pick March 27, 2002 on the UI for aDateField
long j2meLongDate = aDateField.getTime();
then I pass j2meLongDate to a server side program, which is running in j2se environment, and I do
Date date = new Date(j2meLongDate);
System.out.println(date);
// print out March 26, 2002 !!!!
Can somebody tell me why and how to solve the problem?
Thanks,
-John

I think you have a problem with the timezones; there are different in both sides.
Try to set them with the system property user.timezone. You can do it either inside the code (System.setProperty("user.timezone") )or in the command line (-Duser.timezone=...)
Ana

Difference of J2EE Applications

what is the difference between J2EE applications developed using WAS and other Application server.
Is the Netweaver Web Application Server mainly used for developing J2EE Applications

Hi,
There are many Web Application server that are available in the market. Each of them try to focus on Specific Customers.
Lets take simple example SAP's NetWeaver. SAP has got its own Application Server called the WAS6.0, 6.2 and now 6.4. These type of servers are suitable to run any SAP developed applications. If we use them to run any other middleware products we might need extra plugins.
J2EE applications can be developed using WebSphere Studio, WebLogic, Jbuilder, JBoss, Netweaver Studio and many more available studios. They are all based on Eclipse- which is an Open Source IDE. Every Big firm used the common IDE and added it's own components to support thier own applications.
So J2EE applications that you develop will be the same But you have to add extra plugins in the form of Jar files.

Difference between, jre, jdk, sdk and j2se

Dear Sir/Madam,
I want to do some java and j2ee development and run these applications in a java application server environment. Can anyone give me some advices on what should i need to download? Moreover, what is the difference between, jre, jdk, sdk and j2se? Should i need to download all of jre, jdk, sdk and j2se?
thanks and regards,
david

JRE is the 'java runtime environment'. It is responsible for creating a Java Virtual Machine to execute Java class files (e.g., run Java programs)
JDK is the 'java development kit'. It is the same as the 'SDK' (at least in my mind). It normally comes bundled with a JRE and also allows you to compile Java source files into Java class files. The JDK allows you to both write and run programs.
J2SE is "Java 2 Standard Edition". It can refer to either a JDK or JRE. This is 'core' Java. There is also J2EE "Java 2 Enterprise Edition" which allows you to write middleware or server code more easily.
Your final choice will be which version. If you want the current, most common implementation:
J2SE 1.4.2, J2EE 1.3
If you want to skip ahead to the next generation, the latest releases would be:
J2SE 1.5 (also called J2SE 5.0) and J2EE 1.4
- Saish

Difference between J2EE SDK J2SE SDK

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