Is there a free virtual SmartCard which I could use to run some tests?

Question

I imagine this makes no difference, but I will try to access it using a Java application.

UPDATE: I'll use smart cards in a public/private keys encryption system.

Answer 1

There are different types of smart cards and you're not making clear which kind of test you mean, but I guess you're talking about cryptographic smart cards.

JavaCard development kit contains a reference JCRE which can be used to emulate a hardware JavaCard in software, so you can "deploy" your smart card applet (if you're writing one) to the non-existant smart card and test it with apdutool [1]

[1] http://www.developer.com/tech/article.php/913451/A-Java-Card-Primer-Part-2.htm