Re: compatibility java 4 -> 5
- From: "Oliver Wong" <owong@xxxxxxxxxxxxxx>
- Date: Thu, 31 May 2007 10:09:01 -0400
<oliv@xxxxxxxxxxxxx> wrote in message
news:1180619287.953492.214360@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Hi,
In which case, a desktop java application working with a sun jre1.4
could not work with a sun jre 5 ?
I thought Sun guaranteed that compatibility (adds deprecated method
but not remove anything..)
I believe the JVMs always have class file compatibility (that is, a
newer JVM can always correctly read from a class file intended for an
older JVM). The source compatibility is strived for, but not guaranteed,
as Sun sometimes add new keywords (such as "assert" or "enum"). Weaker
still is the API compatibility. The class library functionality may change
as errors and bugs are fixed. If your program depended on buggy behaviour
to work correctly, it may no longer work in future versions.
For the exact list of changes, see:
http://java.sun.com/j2se/1.5.0/compatibility.html
- Oliver
.
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- From: oliv
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