Update for Java?

Paul Cartwright pbcartwright at gmail.com
Thu Dec 19 13:59:29 UTC 2013

On 12/19/2013 08:13 AM, Liam Proven wrote:
> On 19 December 2013 12:27, Paul Cartwright <pbcartwright at gmail.com> wrote:
>> between OpenJDK and java???
> That's like asking 'what is the difference between "banana" and "fruit"?'
well, maybe I meant to ask what is the difference between the 2 versions
of java available for linux.. sorry:)
> Java is a programming language. Java programs run in an environment
> called a Java Virtual Machine (JVM). You need a JVM to run Java apps.
> If you want to run Java applets inside web pages, then you also need a
> plugin in your web browser to enable it to call the JVM and display
> applets.
> If you do have a JVM but don't have the plugin, you can run Java apps
> from the commandline but not in Web pages. 
> Not all Java apps target Java 7 yet so some may require v1.6 but for
> new installations v6 is old, deprecated and going out of support, so
> go with 1.7.
> IcedTea is the OpenJDK runtime. Sun/Oracle JVM is the closed-source one.
> To run applets in webpages, you also need the plugin, which is called
> something like icedtea-6-plugin or icedtea-7-plugin. Install that and
> it pulls in the rest of the JVM with it.
I had part of this installed, but not the icedtea-7-plugin. It is
installed now. I know I went to synaptic to install something, because I
have a java game that I have been able to run from the commandline..

> Most things run perfectly well on both, but there are some proprietary
> apps and so on that only work correctly with the "official" Oracle/Sun
> JVM, such as the Eldy simplified UI for seniors and my own company,
> Simplicity Computers, "Envelope" UI.
careful, I might be considered a senior:)

Paul Cartwright
Registered Linux User #367800 and new counter #561587

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