Jdk J2se J2ee

[deity_me]

Whats the relationship among JDK J2SE and J2EE
I'm trying to read up on the Sun's website and its just a bunch of jargon and not really helpful for people starting out. They almost seem to use JDK and J2SE interchangably - I would have thought they'd be the same thing except that there's a different download for each.

Right now I've downloaded JDK 1.5, J2SE 1.4.2 and J2EE 1.4

Can someone try to help me make sense of all this.
I eventually wanna start programming JSP/servlets.

Thanks

[lionelBadiou]

Hello,

• JVM (Java virtual Machine): The program that executes java programs (actually java's bytecode) on a computer.
  
• JRE (Java Runtime Environement): The kit that is to be installed on a computer to RUN java programs. The JRE contains mainly a JVM and Java standard librairies.
  
• JDK (Java developement Kit): The kit that is to be installed on a computer to DEVELOP java programs/applets.
  
• J2EE (Java 2 Platform, Enterprise Edition): The kit that is to be installed on a computer to DEVELOP 3-tiers java programs (in other words, JDK for web based application).

I hope that will definitely clarify all this acronyms !

Best regards,

[lionelBadiou]

Hello again

To complete my previous answer :

Sun delivers J2SE (Java 2, Standard edition) in the form of J2SE Development Kit (JDK) and an associated Java Runtime Environment (JRE).

That is a bit confusing indeed because, as far as I know, all JDK comes with a JRE...

Hope that helps,

[sjalle]

And you could aquire Eclipse (visual java development), after you
have made your first successful "hello world" application (++),
I beleive its free. I use JBuilder myself but they want money, of course.