differences

What are the differences between
j2ee
j2se
if i am good in j2se
can i get job in j2ee or j2me
please tell me the differnce""
dbaseekAsked:
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cmalakarConnect With a Mentor Commented:
J2SE is ofcourse, contains the main java features.. like threading, io, networking, reflection, collections,.. etc..

You can see all the features of J2SE in the following link..

http://java.sun.com/j2se/1.5.0/docs/

J2EE is mainly targeted towards developing multi-tier enterprise applications.

You need an application server to run j2ee applications.. and These application server provides many of the services to our applications. Services can be like transactions, security, and many more ..

J2EE = J2SE + (a lot of frameworks, specifications, etc).

J2ME is mainly for embedded devices..
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Smart_ManCommented:
1. J2SE is the Java 2 Standard Edition that contains your basic core Java classes. This is the one that most people use to write your standard applets and applications.

2. J2EE is the Java 2 Enterprise Edition and it contains classes that go above and beyond J2SE. In fact, you will need J2SE in order to use many of the classes in J2EE. Some of the things that J2EE provides are server-side classes such as Servlets and EJB's. It also contains Security API, Java Mail API, XML Parsers etc., Java Messaging Service API, and a few others. A few of these API's have been included in the new J2SE 1.4 version and are now considered standard. The XML API is an example of this.

3. J2ME is for developers that code to portable devices, such as a palm pilot or a cellular phone. Code on these devices needs to be small in size and take less memory. So you will want to use J2ME if you code for a PDA.
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Smart_ManCommented:
waiting for your reply
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cmalakarCommented:
J2EE is now called Java EE..

See all the technologies involved in Java EE .. in the following link..

http://java.sun.com/javaee/technologies/
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Shanmuga SundaramDirector of Software EngineeringCommented:
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Smart_ManCommented:
waiting for your reply
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dbaseekAuthor Commented:
Thanks very good infos...

Is there any nice link or materials for j2ee and j2me
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cmalakarCommented:
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qasitouchCommented:
What are the differences between
j2ee
j2se
if i am good in j2se
can i get job in j2ee or j2me
please tell me the differnce""

J2SE
It refers to basics of java language. You must be familiar with it for going into any special field of java.

J2EE
Its java version for Enterprise development, it includes web based aplications, distributed systems etc.
Its much more complex and advance and It is also called SERVER SIDE programming.

J2ME
Its used for mobile handsets application/game development. its also specialized form of java but its the sub-set of J2SE also.

I recomend you to get some knowlege of basic java then use j2EE with following experties.
JSP, Servlets, Spriong framework, or struts framework, EJB.

I am recomending you this because its most valueable and in industry J2EE experts are highly paid.

bst of luck

regards,
qasitouch.
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Smart_ManCommented:
1. J2SE is the Java 2 Standard Edition that contains your basic core Java classes. This is the one that most people use to write your standard applets and applications.

2. J2EE is the Java 2 Enterprise Edition and it contains classes that go above and beyond J2SE. In fact, you will need J2SE in order to use many of the classes in J2EE. Some of the things that J2EE provides are server-side classes such as Servlets and EJB's. It also contains Security API, Java Mail API, XML Parsers etc., Java Messaging Service API, and a few others. A few of these API's have been included in the new J2SE 1.4 version and are now considered standard. The XML API is an example of this.

3. J2ME is for developers that code to portable devices, such as a palm pilot or a cellular phone. Code on these devices needs to be small in size and take less memory. So you will want to use J2ME if you code for a PDA.

if you work on one ofthem it will be easy and swift to switch to other one

waiting for your reply
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