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Sorry but the transportability of Java regardless of the platform is not nearly as nirvana as you would suggest. Each vendor implements the JVM to a standard, true, but the variances in how it works are significant enough that the portability is not nearly as seamless as it should be.

Even different JVMs from the same vendor and same java level will lead to differences. IBM is case in point. The 32bit and 64bit JVM for Java 8 do have differences in how the Java behaves. I have at least two customers with heavy Java presence to confirm that. One uses 32bit and the other 64bit due to some of the differences in how the behavior manifests itself. They work, well, just a bit differently.


--
Jim Oberholtzer
Agile Technology Architects


-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Mark S Waterbury
Sent: Friday, December 15, 2017 10:37 AM
To: midrange-l@xxxxxxxxxxxx
Subject: Re: Explaining what is the LIC

More importantly, the JVM isolates the Java applications from the actual "hardware" it is running on. No concerns about "big endian" vs. "little endian," or 32-bit vs. 64-bit, etc. (for the most part.) This is what gives Java its "portability" across so many different platforms.

On 12/15/2017 11:32 AM, Nathan Andelin wrote:
On Fri, Dec 15, 2017 at 7:14 AM, Justin Taylor <JUSTIN@xxxxxxxxxxxxx> wrote:

.NET was MS's response to Java and the JVM.

Good point. And what is Java's mantra? Write once, run anywhere! A JVM
insulates Java from the operating system underneath.


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