J2EE, J2SE, J2ME ???

[fatcodeguy]

Hi, I was wondering what the difference was between J2EE, J2SE, and J2ME? My uses for Java are mainly personal, but I like developping my skills so I don't want a package that's just basic. Also, what's the difference between JRE and SDK?? Thanks, appreciate any help

 

[meadandale]

I suppose that if you'd RTFM at the sun site then you'd know. A lazy programmer is a bad sign...

J2EE=Java 2 Enterprise edition: including technologies such as servlets, EJB's, jsp's, JMS, etc. Used for writing enterprise applications (i.e. server based).

J2SE=Java 2 Standard Edition: the standard java libraries

J2ME=Java 2 Micro Edition: micro java designed for running on small handheld devices with memory/cpu limitations.

JDK=Java development kit: includes libraries documention and tools such as compiler, keytool, decompiler, etc.

JRE=Java Runtime environment. Only contains what is required to run a java application, i.e. the application launcher(java.exe) and the necessary runtime libraries. The JDK usually includes the JRE.