Just upgraded to jdk1.4 from 1.2 do I need to recompile all my class files?

Just upgraded to jdk1.4 from 1.2 do I need to recompile all my class files?
They run fine, but is there any benefit of recompiling all my class files?

Nope. AFAIK you would experience exactly zero benefits from just recompiling the code. All that would do is regenerate the bytecode within the .class file(s), and as far as I know, the class file specification did not change. I am not aware of any modifications to the bytecode generation process in the 1.4 release that constitute actual changes in what's generated (for example, generating more efficient or optimized bytecode).
(any other respondents feel free to correct me on this, as I admittedly spend very little of my time down at the bytecode and classfile level)
-dSn

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