Java version that RIM used

Question

Does anyone know what version of Java that RIM modified JVM used ?I found an article that says that RIM modify the default JVM, for the blackberry device. what version of Java?

Answer 1

I believe it's 1.4 (no generics, unfortunately).

Answer 2

It's Java-ME. Language wise, that means it is Java 1.3 - there is no 'assert' keyword, which was introduced in Java 1.4