[armedbear-devel] Question about calling Java

dmiles@users.sourceforge.net logicmoo at gmail.com
Thu Feb 4 15:59:22 UTC 2010

On Thu, Feb 4, 2010 at 7:52 AM, Alessio Stalla <alessiostalla at gmail.com>wrote:

> Afaik, declaring methods to be final has little impact on performance
> with recent JVMs. HotSpot is able to infer if a method can or not be
> overridden and perform the appropriate optimizations. If later on a
> class is dynamically loaded that overrides an optimized method,
> HotSpot will "unoptimize" it.

What I meant by final wasn't about final modifiers on methods.

What i refer to is when at compile time there is only one possible call

for instance (jcall "toString" (jnew "java.lang.Integer" 1))

the emitted bytecode can  invokevirtual "java.lang.Integer" "toString" ref0;

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